What is c34080.rbf?

c34080.rbf is developed by Heimdal Security according to the c34080.rbf version information.

c34080.rbf's description is " "

c34080.rbf is usually located in the 'c:\Config.Msi\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about c34080.rbf.

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 65 anti-virus programs at VirusTotal detected the c34080.rbf file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "ADVAPI32.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\095d0b1004a463fd898fec868fec6012df41a76f7ea501044abae67189347f65.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\095d0b1004a463fd898fec868fec6012df41a76f7ea501044abae67189347f65.bin.dll"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\Policy\\Upgrades",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\Policy\\",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\Policy\\Standards",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\Policy\\AppPatch",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\Policy\\v2.0",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\.NETFramework"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\095d0b1004a463fd898fec868fec6012df41a76f7ea501044abae67189347f65.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\095d0b1004a463fd898fec868fec6012df41a76f7ea501044abae67189347f65.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\IJWEntrypointCompatMode",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\InstallRoot"
    ],
    "directory_enumerated": [
        "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\mscoreei.dll",
        "C:\\Windows\\Microsoft.NET\\Framework\\Upgrades.2.0.50727\\mscoreei.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2740,
        "summary": {
            "dll_loaded": [
                "ADVAPI32.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\095d0b1004a463fd898fec868fec6012df41a76f7ea501044abae67189347f65.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\095d0b1004a463fd898fec868fec6012df41a76f7ea501044abae67189347f65.bin.dll"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\Policy\\Upgrades",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\Policy\\",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\Policy\\Standards",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\Policy\\AppPatch",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\Policy\\v2.0",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\.NETFramework"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\095d0b1004a463fd898fec868fec6012df41a76f7ea501044abae67189347f65.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\095d0b1004a463fd898fec868fec6012df41a76f7ea501044abae67189347f65.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\IJWEntrypointCompatMode",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\.NETFramework\\InstallRoot"
            ],
            "directory_enumerated": [
                "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\mscoreei.dll",
                "C:\\Windows\\Microsoft.NET\\Framework\\Upgrades.2.0.50727\\mscoreei.dll"
            ]
        },
        "first_seen": 1561261985.6875,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1561261985.3438,
        "ppid": 376
    }
]

Signatures

[]

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": 6.2157890796661,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3462,
            "time": 6.1742959022522,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3790,
            "time": 4.1886219978333,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4118,
            "time": 6.1883149147034,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4446,
            "time": 4.6869850158691,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4774,
            "time": 3.048840045929,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 5102,
            "time": 4.2626600265503,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 12720,
            "time": 4.2211458683014,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16912,
            "time": 6.3027908802032,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "a75f27a223ced90f000cb3c5436644d7bbb2807c95935f874b34fb2530c4a916",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "15dc836ac210e49574375f9d5302664abd525dd257d568c4a5ea5120d69cf5a7",
    "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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