What is MSVCR80.dll?

MSVCR80.dll is part of Microsoft® Visual Studio® 2005 and developed by Microsoft Corporation according to the MSVCR80.dll version information.

MSVCR80.dll's description is "Microsoft® C Runtime Library"

MSVCR80.dll is digitally signed by Microsoft Windows.

MSVCR80.dll is usually located in the 'C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9554_none_d08d6fa2442aa556\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about MSVCR80.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 64 anti-virus programs at VirusTotal detected the MSVCR80.dll file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_opened": [
        "C:\\Windows\\SysWOW64\\en-US\\KERNELBASE.dll.mui"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\cb8928ff2faf2921b1eddc267dce1bb64e6fee4d15b68cd32588e0f3be116b03.bin.dll.manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\cb8928ff2faf2921b1eddc267dce1bb64e6fee4d15b68cd32588e0f3be116b03.bin.dll"
    ],
    "dll_loaded": [
        "USER32.DLL",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\cb8928ff2faf2921b1eddc267dce1bb64e6fee4d15b68cd32588e0f3be116b03.bin.dll"
    ],
    "directory_enumerated": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp",
        "C:\\Users\\cuck",
        "C:\\Users\\cuck\\AppData",
        "C:\\Users\\cuck\\AppData\\Local",
        "C:\\Users"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2816,
        "summary": {
            "file_opened": [
                "C:\\Windows\\SysWOW64\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\cb8928ff2faf2921b1eddc267dce1bb64e6fee4d15b68cd32588e0f3be116b03.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\cb8928ff2faf2921b1eddc267dce1bb64e6fee4d15b68cd32588e0f3be116b03.bin.dll"
            ],
            "dll_loaded": [
                "USER32.DLL",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\cb8928ff2faf2921b1eddc267dce1bb64e6fee4d15b68cd32588e0f3be116b03.bin.dll"
            ],
            "directory_enumerated": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp",
                "C:\\Users\\cuck",
                "C:\\Users\\cuck\\AppData",
                "C:\\Users\\cuck\\AppData\\Local",
                "C:\\Users"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1598305986.6875,
        "ppid": 2016
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1598305986.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "msvcr80.i386.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "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": 2816,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x74ec4000"
                    },
                    "time": 1598305986.7965,
                    "tid": 2420,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2816,
                "type": "call",
                "cid": 10
            }
        ],
        "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": 546,
            "time": 3.0627269744873047,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5578,
            "time": 3.0222840309143066,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5906,
            "time": 1.0100429058074951,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6234,
            "time": 3.0345380306243896,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6562,
            "time": 1.520137071609497,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6890,
            "time": -0.09058189392089844,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 7218,
            "time": 1.5318970680236816,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 20158,
            "time": 1.0447790622711182,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28542,
            "time": 3.0940279960632324,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "d1753e5b83ae0a7d1b9b1ee42695287125d4435645178110d5286cd3ce206a60",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "9339bf1a6a69755c3cc4b369472a8cf33214cafb4a31afbade357538b7ad2059",
    "irc": [],
    "https_ex": []
}

Screenshots

Other files also named MSVCR80.dll

MSVCR80.dll (5 votes)

Malware or legitimate?

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