What is SD231.exe?

SD231.exe is usually located in the 'c:\downloads\' folder.

Some of the anti-virus scanners at VirusTotal detected SD231.exe.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

SD231.exe does not have any version or vendor information.

Digital signatures [?]

SD231.exe is not signed.

VirusTotal report

31 of the 65 anti-virus programs at VirusTotal detected the SD231.exe file. That's a 48% detection rate.

ScannerDetection Name
Acronis suspicious
Arcabit AIT:Trojan.Nymeria.D6BD
Avast Win32:Trojan-gen
AVG Win32:Trojan-gen
Avira TR/Autoit.zxtxg
BitDefender AIT:Trojan.Nymeria.1725
CrowdStrike malicious_confidence_100% (W)
Cylance Unsafe
eGambit PE.Heur.InvalidSig
Emsisoft AIT:Trojan.Nymeria.1725 (B)
Endgame malicious (high confidence)
ESET-NOD32 a variant of Win32/Injector.Autoit.DST
F-Secure Trojan.TR/Autoit.zxtxg
Fortinet W32/Autoit.BUS!tr
GData AIT:Trojan.Nymeria.1725
Ikarus Trojan.Autoit
Jiangmin Trojan.PSW.Azorult.xw
K7AntiVirus Trojan ( 700000111 )
K7GW Trojan ( 700000111 )
Kaspersky UDS:DangerousObject.Multi.Generic
McAfee RDN/Generic.com
McAfee-GW-Edition RDN/Generic.com
Microsoft Trojan:Win32/Tiggre!plock
MicroWorld-eScan AIT:Trojan.Nymeria.1725
Qihoo-360 HEUR/QVM10.2.5BD7.Malware.Gen
Sophos Mal/Generic-S
Symantec ML.Attribute.HighConfidence
VIPRE Trojan.Win32.Generic!BT
ViRobot Trojan.Win32.Z.Autoit.1000664
Webroot W32.Trojan.Gen
ZoneAlarm UDS:DangerousObject.Multi.Generic
31 of the 65 anti-virus programs detected the SD231.exe file.

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "kernel32",
        "Advapi32.dll",
        "kernel32.dll",
        "UxTheme.dll",
        "dwmapi.dll",
        "comctl32",
        "comctl32.dll",
        "CRYPTSP.dll",
        "IMM32.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin",
        "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
    ],
    "regkey_opened": [
        "HKEY_CURRENT_USER\\Control Panel\\Mouse",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\Compatibility\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin",
        "HKEY_CURRENT_USER\\Software\\AutoIt v3\\AutoIt"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin:Zone.Identifier"
    ],
    "mutex": [
        "aitstatic"
    ],
    "command_line": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Locale\\00000409",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Language Groups\\1",
        "HKEY_CURRENT_USER\\Control Panel\\Mouse\\SwapMouseButtons",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
    ],
    "directory_enumerated": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin:Zone.Identifier",
        "C:\\Users\\cuck\\AppData",
        "C:\\Users\\cuck\\AppData\\Local\\Temp",
        "C:\\Users\\cuck",
        "C:\\Users",
        "C:\\Users\\cuck\\AppData\\Local"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin",
        "process_name": "c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin",
        "pid": 2740,
        "summary": {
            "dll_loaded": [
                "kernel32",
                "Advapi32.dll",
                "kernel32.dll",
                "UxTheme.dll",
                "dwmapi.dll",
                "comctl32",
                "comctl32.dll",
                "CRYPTSP.dll",
                "IMM32.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin",
                "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
            ],
            "regkey_opened": [
                "HKEY_CURRENT_USER\\Control Panel\\Mouse",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\Compatibility\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin",
                "HKEY_CURRENT_USER\\Software\\AutoIt v3\\AutoIt"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin:Zone.Identifier"
            ],
            "mutex": [
                "aitstatic"
            ],
            "command_line": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Locale\\00000409",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Language Groups\\1",
                "HKEY_CURRENT_USER\\Control Panel\\Mouse\\SwapMouseButtons",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
            ],
            "directory_enumerated": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed.bin:Zone.Identifier",
                "C:\\Users\\cuck\\AppData",
                "C:\\Users\\cuck\\AppData\\Local\\Temp",
                "C:\\Users\\cuck",
                "C:\\Users",
                "C:\\Users\\cuck\\AppData\\Local"
            ]
        },
        "first_seen": 1605477186.859375,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1605477186.578125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "Checks if process is being debugged by a debugger",
        "severity": 1,
        "marks": [
            {
                "call": {
                    "category": "system",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 0,
                    "nt_status": -1073741772,
                    "api": "IsDebuggerPresent",
                    "return_value": 0,
                    "arguments": {},
                    "time": 1605477186.968375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 66
            }
        ],
        "references": [],
        "name": "checks_debugger"
    },
    {
        "markcount": 0,
        "families": [],
        "description": "One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.",
        "severity": 2,
        "marks": [],
        "references": [],
        "name": "dumped_buffer"
    },
    {
        "markcount": 7,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "region_size": 4096,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x00b10000"
                    },
                    "time": 1605477222.171375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4752
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x00b20000"
                    },
                    "time": 1605477222.203375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4770
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x00bf0000"
                    },
                    "time": 1605477222.218375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4780
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x00c00000"
                    },
                    "time": 1605477222.234375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4790
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x01120000"
                    },
                    "time": 1605477222.250375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4800
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x01130000"
                    },
                    "time": 1605477222.281375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4810
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x01140000"
                    },
                    "time": 1605477222.296375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4820
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    },
    {
        "markcount": 12,
        "families": [],
        "description": "Terminates another process",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 487,
                    "nt_status": -1073741800,
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2244,
                        "process_handle": "0x00000124"
                    },
                    "time": 1605477222.203375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4775
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2244,
                        "process_handle": "0x00000124"
                    },
                    "time": 1605477222.203375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4776
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 487,
                    "nt_status": -1073741800,
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2056,
                        "process_handle": "0x00000120"
                    },
                    "time": 1605477222.218375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4785
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2056,
                        "process_handle": "0x00000120"
                    },
                    "time": 1605477222.218375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4786
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 487,
                    "nt_status": -1073741800,
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2824,
                        "process_handle": "0x0000012c"
                    },
                    "time": 1605477222.234375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4795
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2824,
                        "process_handle": "0x0000012c"
                    },
                    "time": 1605477222.234375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4796
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 487,
                    "nt_status": -1073741800,
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2508,
                        "process_handle": "0x00000134"
                    },
                    "time": 1605477222.250375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4805
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2508,
                        "process_handle": "0x00000134"
                    },
                    "time": 1605477222.250375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4806
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 487,
                    "nt_status": -1073741800,
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 1996,
                        "process_handle": "0x0000013c"
                    },
                    "time": 1605477222.281375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4815
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 1996,
                        "process_handle": "0x0000013c"
                    },
                    "time": 1605477222.281375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4816
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 487,
                    "nt_status": -1073741800,
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2624,
                        "process_handle": "0x00000144"
                    },
                    "time": 1605477222.296375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4825
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtTerminateProcess",
                    "return_value": 0,
                    "arguments": {
                        "status_code": "0x00000000",
                        "process_identifier": 2624,
                        "process_handle": "0x00000144"
                    },
                    "time": 1605477222.296375,
                    "tid": 2436,
                    "flags": {}
                },
                "pid": 2740,
                "type": "call",
                "cid": 4826
            }
        ],
        "references": [],
        "name": "terminates_remote_process"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "One or more of the buffers contains an embedded PE file",
        "severity": 3,
        "marks": [
            {
                "category": "buffer",
                "ioc": "Buffer with sha1: 6bf554d5f8fee3b690a39b251ddd9680af594f9f",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "dumped_buffer2"
    },
    {
        "markcount": 6,
        "families": [],
        "description": "Allocates execute permission to another process indicative of possible code injection",
        "severity": 3,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2244,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x00000124",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.203375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4771
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2056,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x00000120",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.218375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4781
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2824,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x0000012c",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.234375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4791
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2508,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x00000134",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.250375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4801
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 1996,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x0000013c",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.281375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4811
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2624,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x00000144",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.296375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4821
            }
        ],
        "references": [],
        "name": "allocates_execute_remote_process"
    },
    {
        "markcount": 12,
        "families": [],
        "description": "Manipulates memory of a non-child process indicative of process injection",
        "severity": 3,
        "marks": [
            {
                "category": "Process injection",
                "ioc": "Process 2740 manipulating memory of non-child process 2244",
                "type": "ioc",
                "description": null
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2244,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x00000124",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.203375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4771
            },
            {
                "category": "Process injection",
                "ioc": "Process 2740 manipulating memory of non-child process 2056",
                "type": "ioc",
                "description": null
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2056,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x00000120",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.218375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4781
            },
            {
                "category": "Process injection",
                "ioc": "Process 2740 manipulating memory of non-child process 2824",
                "type": "ioc",
                "description": null
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2824,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x0000012c",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.234375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4791
            },
            {
                "category": "Process injection",
                "ioc": "Process 2740 manipulating memory of non-child process 2508",
                "type": "ioc",
                "description": null
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2508,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x00000134",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.250375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4801
            },
            {
                "category": "Process injection",
                "ioc": "Process 2740 manipulating memory of non-child process 1996",
                "type": "ioc",
                "description": null
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 1996,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x0000013c",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.281375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4811
            },
            {
                "category": "Process injection",
                "ioc": "Process 2740 manipulating memory of non-child process 2624",
                "type": "ioc",
                "description": null
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -2147483642,
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 3221225496,
                    "arguments": {
                        "process_identifier": 2624,
                        "region_size": 40960,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0x00000144",
                        "allocation_type": 12288,
                        "base_address": "0x00400000"
                    },
                    "time": 1605477222.296375,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 4821
            }
        ],
        "references": [
            "www.endgame.com\/blog\/technical-blog\/ten-process-injection-techniques-technical-survey-common-and-trending-process"
        ],
        "name": "injection_modifies_memory"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 662,
            "time": 6.222198963165283,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5342,
            "time": 12.221564054489136,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7186,
            "time": 6.182106018066406,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7514,
            "time": 4.16568398475647,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7842,
            "time": 6.196084976196289,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8170,
            "time": 4.790292024612427,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8498,
            "time": 3.0645971298217773,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8826,
            "time": 4.69127893447876,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28236,
            "time": 4.1850080490112305,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 36620,
            "time": 6.253813028335571,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "79e473462dbb88350e26d46fb09c52bcca976e599fff50a5b26f501022579608",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "5c4eb9b4e765a43a565e807bffb373ef27903584dfb1099640e17cbc00dfc45f",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandboxScreenshot from the sandboxScreenshot from the sandbox

SD231.exe removal instructions

The instructions below shows how to remove SD231.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the SD231.exe file for removal, restart your computer and scan it again to verify that SD231.exe has been successfully removed. Here are the removal instructions in more detail:

  1. Download and install FreeFixer: http://www.freefixer.com/download.html
  2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
    Screenshot of Start Scan button
  3. When the scan is finished, locate SD231.exe in the scan result and tick the checkbox next to the SD231.exe file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate SD231.exe in the scan result.
    Red arrow point on the unwanted file
    c:\downloads\SD231.exe
  4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the SD231.exe file.
    Screenshot of Fix button
  5. Restart your computer.
  6. Start FreeFixer and scan your computer again. If SD231.exe still remains in the scan result, proceed with the next step. If SD231.exe is gone from the scan result you're done.
  7. If SD231.exe still remains in the scan result, check its checkbox again in the scan result and click Fix.
  8. Restart your computer.
  9. Start FreeFixer and scan your computer again. Verify that SD231.exe no longer appear in the scan result.
Please select the option that best describe your thoughts on the removal instructions given above








Free Questionnaires

Hashes [?]

PropertyValue
MD5abdb61efcb08cbefa7d2928199a1d382
SHA256c426173f1f603216db34c023e20e178e6ce41183bfa4dc78f1a4dfb3ad289aed

Error Messages

These are some of the error messages that can appear related to sd231.exe:

sd231.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

sd231.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

sd231.exe has stopped working.

End Program - sd231.exe. This program is not responding.

sd231.exe is not a valid Win32 application.

sd231.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with SD231.exe?

To help other users, please let us know what you will do with SD231.exe:



Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

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