What is mbamelam.sys?

mbamelam.sys is part of Malwarebytes Early Launch Anti-Malware Driver and developed by Malwarebytes according to the mbamelam.sys version information.

mbamelam.sys's description is "Malwarebytes Early Launch Anti-Malware Driver"

mbamelam.sys is digitally signed by Microsoft Windows Early Launch Anti-malware Publisher.

mbamelam.sys is usually located in the 'C:\WINDOWS\system32\drivers\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about mbamelam.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 72 anti-virus programs at VirusTotal detected the mbamelam.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": 1561006388.3594,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "d:\\jenkins\\workspace\\N_Elam_Kernel\\bin\\x64\\Win7_Release\\MbamElam.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"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "MSELAMCERTINFOID",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 6.8208611602646,
                "section": {
                    "size_of_data": "0x00000600",
                    "virtual_address": "0x00003000",
                    "entropy": 6.8208611602646,
                    "name": ".data",
                    "virtual_size": "0x000007a8"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            }
        ],
        "references": [
            "http:\/\/www.forensickb.com\/2013\/03\/file-entropy-explained.html",
            "http:\/\/virii.es\/U\/Using%20Entropy%20Analysis%20to%20Find%20Encrypted%20and%20Packed%20Malware.pdf"
        ],
        "name": "packer_entropy"
    }
]

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": 826,
            "time": 4.1497309207916,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1154,
            "time": 3.0356850624084,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1482,
            "time": 4.235316991806,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 3750,
            "time": 4.1745400428772,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "217f1817db3b61608135c3214783cb6cfa6eb18d5d15f3b5bec44119e856e357",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "ae058e48a5a2e2a00d5e7fd7abd52f4509400d9681dd26afaca56add8177c6de",
    "irc": [],
    "https_ex": []
}

What did other users do?

The poll result listed below shows what users chose to do with mbamelam.sys. 72% have voted for removal. Based on votes from 18 users.

NOTE: Please do not use this poll as the only source of input to determine what you will do with mbamelam.sys. Only 18 users has voted so far so it does not offer a high degree of confidence.

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.

And now some shameless self promotion ;)

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