What is minflt.sys?

minflt.sys is part of Balabanov Eugene Security Toolkit and developed by SHADE Sandbox LLC according to the minflt.sys version information.

minflt.sys's description is "Filewall Kernel Mode FS Minifilter Driver"

minflt.sys is digitally signed by Cybergenic Corporation.

minflt.sys is usually located in the 'C:\Windows\system32\drivers\' folder.

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

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 minflt.sys file.

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

ERROR: Failed to execute process.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1603385585.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "c:\\prj\\shade\\fssdk\\kernel\\miniflt\\objfre_win7_amd64\\amd64\\minflt.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": "INIT",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 982,
            "time": 1.0251879692077637,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1310,
            "time": 1.5336041450500488,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1638,
            "time": -0.10067582130432129,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1966,
            "time": 1.5468900203704834,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4178,
            "time": 1.058643102645874,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "64677b8293d6845b1c518db43102221f6a12952e703b6f930ade4c3c40f46577",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "1eee02f55805e28584746f95696c446467eb35311992d035f7d5b42bae1527e0",
    "irc": [],
    "https_ex": []
}

Screenshots

Other files also named minflt.sys

minflt.sys (2 votes)

Malware or legitimate?

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