What is capricorn64.dll?

capricorn64.dll is part of F-Secure Engine and developed by F-Secure Corporation according to the capricorn64.dll version information.

capricorn64.dll's description is "F-Secure Engine"

capricorn64.dll is digitally signed by F-Secure Corporation.

capricorn64.dll is usually located in the 'c:\Program Files (x86)\KPN Veilig\apps\Ultralight\aquarius\1598815512\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about capricorn64.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 68 anti-virus programs at VirusTotal detected the capricorn64.dll 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",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll",
        "api-ms-win-core-localization-l1-2-1",
        "api-ms-win-core-fibers-l1-1-1",
        "api-ms-win-core-synch-l1-2-0"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2828,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "kernel32",
                "api-ms-win-core-localization-l1-2-1",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll",
                "api-ms-win-core-fibers-l1-1-1",
                "api-ms-win-core-synch-l1-2-0"
            ]
        },
        "first_seen": 1598867586.984375,
        "ppid": 2924
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2924,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\bd1fd027ec9147c15df3adfc7dd3ac9ad6dc4812cc7e1e15e656fde09ad6cc32.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1598867586.734375,
        "ppid": 2732
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1598867586.5,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "c:\\workspace\\workspace\\capricorn_windows\\dist\\x64-Release\\capricorn64.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    }
]

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": 3.07550311088562,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5326,
            "time": 3.0180680751800537,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5654,
            "time": 1.0171749591827393,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5982,
            "time": 3.028954029083252,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6310,
            "time": 1.661823034286499,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6638,
            "time": -0.09480905532836914,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6966,
            "time": 1.5799140930175781,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16764,
            "time": 1.0483901500701904,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 25148,
            "time": 3.1250851154327393,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "bcb2b207cfb3e905327ef380868a4f94b99cb4d452e89cd38f5d30a398db88a3",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "f0a2ef95fb42c4b65d4f5df990f06a5d9692ba991863bd63232061a54d13a135",
    "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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