What is c3407f.rbf?

c3407f.rbf is part of Heimdal.Common and developed by Heimdal Security according to the c3407f.rbf version information.

c3407f.rbf's description is "Heimdal.Common"

c3407f.rbf is usually located in the 'c:\Config.Msi\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about c3407f.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.

Vendor and version information [?]

The following is the available information on c3407f.rbf:

PropertyValue
Product nameHeimdal.Common
Company nameHeimdal Security
File descriptionHeimdal.Common
Internal nameHeimdal.Common.dll
Original filenameHeimdal.Common.dll
CommentsHeimdal Security
Legal copyrightCopyright © Heimdal Security A/S 2014
Product version2.5.191.3000
File version2.5.191.3000

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameHeimdal.Common
Company nameHeimdal Security
File descriptionHeimdal.Common
Internal nameHeimdal.Common.dll
Original filenameHeimdal.Common.dll
CommentsHeimdal Security
Legal copyrightCopyright © Heimdal Security A/S 2014
Product version2.5.191.3000
File version2.5.191.3000

Digital signatures [?]

c3407f.rbf is not signed.

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the c3407f.rbf file.

None of the 71 anti-virus programs detected the c3407f.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\\482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e.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\\482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e.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\\482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e.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\\482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e.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": 1561258384.7344,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1561258384.3594,
        "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": 6.2224910259247,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3462,
            "time": 6.1832950115204,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3790,
            "time": 4.1655151844025,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4118,
            "time": 6.1959781646729,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4446,
            "time": 4.6793050765991,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4774,
            "time": 3.0413541793823,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 5102,
            "time": 4.690847158432,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 11572,
            "time": 4.1994640827179,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15764,
            "time": 6.3243060112,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "ca176208ca0553ab22c602d923d8745930fa45ae20b8b3d7f240b0229fe0018c",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "1bd481c7a3b414eae8eeb04ccca5b1deaf0cc364a25c7600bfcb109cee1bc65e",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Hashes [?]

PropertyValue
MD5024ed6c292a4208c8be3eefddff8174c
SHA256482ef847c41d8387a3a4d0096896cbfde6df4b591c1f09579ffda1d108c57c9e

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Malware or legitimate?

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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.

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