What is FlashUtil32_32_0_0_223_ActiveX.dll?

FlashUtil32_32_0_0_223_ActiveX.dll is part of Flash Player Helper and developed by Adobe according to the FlashUtil32_32_0_0_223_ActiveX.dll version information.

FlashUtil32_32_0_0_223_ActiveX.dll's description is "Adobe Flash Player Helper 32.0 r0"

FlashUtil32_32_0_0_223_ActiveX.dll is digitally signed by Adobe Inc..

FlashUtil32_32_0_0_223_ActiveX.dll is usually located in the 'c:\Windows\SysWOW64\Macromed\Flash\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about FlashUtil32_32_0_0_223_ActiveX.dll.

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.

VirusTotal report

None of the 69 anti-virus programs at VirusTotal detected the FlashUtil32_32_0_0_223_ActiveX.dll file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\304363ef498d8391f0a48512056941ebb6fd2f330c33d040e3dc7fe10567b12d.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\304363ef498d8391f0a48512056941ebb6fd2f330c33d040e3dc7fe10567b12d.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "C:\\Windows\\system32\\dinput8.dll",
        "kernel32",
        "api-ms-win-core-fibers-l1-1-1",
        "api-ms-win-core-localization-l1-2-1",
        "C:\\Windows\\system32\\kernel32.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\304363ef498d8391f0a48512056941ebb6fd2f330c33d040e3dc7fe10567b12d.bin.dll",
        "api-ms-win-core-synch-l1-2-0",
        "imm32.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2420,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\304363ef498d8391f0a48512056941ebb6fd2f330c33d040e3dc7fe10567b12d.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\304363ef498d8391f0a48512056941ebb6fd2f330c33d040e3dc7fe10567b12d.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Windows\\system32\\dinput8.dll",
                "kernel32",
                "api-ms-win-core-fibers-l1-1-1",
                "api-ms-win-core-localization-l1-2-1",
                "C:\\Windows\\system32\\kernel32.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\304363ef498d8391f0a48512056941ebb6fd2f330c33d040e3dc7fe10567b12d.bin.dll",
                "api-ms-win-core-synch-l1-2-0",
                "imm32.dll"
            ]
        },
        "first_seen": 1563493984.7344,
        "ppid": 1268
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1563493984.3438,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "E:\\r\\ws\\St_Make\\code\\build\\win\\int\\FlashBroker.build\\Release\\Win32\\FlashUtil.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": ".gfids",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "IMG",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "TYPELIB",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    },
    {
        "markcount": 3,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2420,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x74ea2000"
                    },
                    "time": 1563493984.8274,
                    "tid": 2460,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2420,
                "type": "call",
                "cid": 10
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2420,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x77351000"
                    },
                    "time": 1563493984.8274,
                    "tid": 2460,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2420,
                "type": "call",
                "cid": 12
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2420,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x74f11000"
                    },
                    "time": 1563493984.8274,
                    "tid": 2460,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2420,
                "type": "call",
                "cid": 14
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    }
]

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": 6.221832036972,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3462,
            "time": 6.1581799983978,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3790,
            "time": 4.1555950641632,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4118,
            "time": 6.1688981056213,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4446,
            "time": 4.6773450374603,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4774,
            "time": 3.0451929569244,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 5102,
            "time": 4.723610162735,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 11572,
            "time": 4.2132501602173,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15764,
            "time": 6.2526440620422,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "a664e62f52576c834c37adad6c8037f311b58b1104861b6367d4ac00880c43af",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "4025d921ebb384c3b9cc6eb63978aa1450ab459ba9a537c7b6a3c0d5afe6f375",
    "irc": [],
    "https_ex": []
}

Screenshots

Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

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