What is bit4upki-store.dll?

bit4upki-store.dll is part of csp-certstore Dynamic Link Library and developed by bit4id srl according to the bit4upki-store.dll version information.

bit4upki-store.dll's description is "csp-certstore Dynamic Link Library"

bit4upki-store.dll is digitally signed by Bit4id.

bit4upki-store.dll is usually located in the 'C:\WINDOWS\system32\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about bit4upki-store.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 67 anti-virus programs at VirusTotal detected the bit4upki-store.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": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\bit4id\\Bit4id CSPs Certificate Store Provider (M)\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\bit4id\\log"
    ],
    "file_exists": [
        "C:\\Windows\\System32\\rundll32.exe",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll.manifest"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll,DllMain"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll"
    ],
    "regkey_read": [
        "\\logfile",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "\\elogfile"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2460,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1568177586.6562,
        "ppid": 2740
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2500,
        "summary": {
            "file_exists": [
                "C:\\Windows\\System32\\rundll32.exe",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll.manifest"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\bit4id\\Bit4id CSPs Certificate Store Provider (M)\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\bit4id\\log"
            ],
            "regkey_read": [
                "\\logfile",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "\\elogfile"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84.bin.dll"
            ]
        },
        "first_seen": 1568177586.9062,
        "ppid": 2460
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1568177586.3438,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "c:\\Projects\\svn\\csp-certstore\\x64\\Release\\bit4upki-store.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": 3.0665040016174,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5074,
            "time": 3.0021860599518,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5402,
            "time": 1.0203251838684,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5730,
            "time": 3.0096831321716,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6058,
            "time": 1.5182120800018,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6386,
            "time": -0.09247899055481,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6714,
            "time": 1.5489091873169,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15396,
            "time": 1.0535371303558,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 19588,
            "time": 3.1010921001434,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "4b40f2689d02d9fdab51147fb296710230a97d101e642a8147b74686a0d473ca",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "250c325a926fe142575b00622fdb346fcff79120b7141b78f1ead0ba78f956eb",
    "irc": [],
    "https_ex": []
}

Screenshots

Other files also named bit4upki-store.dll

bit4upki-store.dll (56 votes)

Malware or legitimate?

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