What is cbfsconnectNetRdr2017.dll?

cbfsconnectNetRdr2017.dll is part of CBFS Connect and developed by Callback Technologies, Inc. according to the cbfsconnectNetRdr2017.dll version information.

cbfsconnectNetRdr2017.dll's description is "CBFS Connect Network Redirector"

cbfsconnectNetRdr2017.dll is digitally signed by Callback Technologies, Inc..

cbfsconnectNetRdr2017.dll is usually located in the 'C:\WINDOWS\system32\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about cbfsconnectNetRdr2017.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 71 anti-virus programs at VirusTotal detected the cbfsconnectNetRdr2017.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\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll.manifest"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll,DllMain"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1595191985.34375,
        "ppid": 376
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2740,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1595191985.765625,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2828,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll.manifest"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\0a90fa9c186f0804c6c942f4891579dcbf70799629d5fe2aa639a58ab1ea89a3.bin.dll"
            ]
        },
        "first_seen": 1595191986,
        "ppid": 2740
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "c:\\Projects\\CBFSConnect\\umode\\NetRdr\\x64\\Release\\CBFSConnectNetRdr2017.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": 662,
            "time": 6.210852861404419,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4434,
            "time": 6.144023895263672,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4762,
            "time": 4.1560609340667725,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5090,
            "time": 6.156588792800903,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5418,
            "time": 4.668659925460815,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5746,
            "time": 3.046785831451416,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6074,
            "time": 4.66500997543335,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14756,
            "time": 4.1757378578186035,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18948,
            "time": 6.257616996765137,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "c428f990650511a07a60d295f82074d06db54947daa69d483539044079bd905b",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "a8de0b96fd656c0c05255ea70ab8bb43e9e0d5afd5a7c7b7cc7e7b6570a0fae3",
    "irc": [],
    "https_ex": []
}

Screenshots

Other files also named cbfsconnectNetRdr2017.dll

cbfsconnectNetRdr2017.dll (4 votes)

Malware or legitimate?

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