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.

Vendor and version information [?]

The following is the available information on bit4upki-store.dll:

PropertyValue
Product namecsp-certstore Dynamic Link Library
Company namebit4id srl
File descriptioncsp-certstore Dynamic Link Library
Internal namecsp-certstore.dll
Original filenamecsp-certstore.dll
Legal copyrightCopyright (C) 2005-2017 bit4id srl - Unauthorized Use is Prohibited.
Product version1, 4, 6, 0
File version1, 4, 6, 0

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

Product namecsp-certstore Dynamic Link Library
Company namebit4id srl
File descriptioncsp-certstore Dynamic Link Library
Internal namecsp-certstore.dll
Original filenamecsp-certstore.dll
Legal copyrightCopyright (C) 2005-2017 bit4id srl -..
Product version1, 4, 6, 0
File version1, 4, 6, 0

Digital signatures [?]

bit4upki-store.dll has a valid digital signature.

PropertyValue
Signer nameBit4id
Certificate issuer nameSymantec Class 3 SHA256 Code Signing CA
Certificate serial number32d0dc0c0e116abb878973808842677a

VirusTotal report

None of the 67 anti-virus programs at VirusTotal detected the bit4upki-store.dll file.

None of the 67 anti-virus programs 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

Screenshot from the sandboxScreenshot from the sandbox

Other files also named bit4upki-store.dll

bit4upki-store.dll (47 votes)

Hashes [?]

PropertyValue
MD56f5f152d14d740c2f93f40b574ca044a
SHA256da9986de11d07e261f2f2df3fb829d474002016bbc996fe6e042fa7953986b84

What will you do with the file?

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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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