What is MSSP7EN.LEX?

MSSP7EN.LEX is part of Natural Language Components and developed by Microsoft Corporation according to the MSSP7EN.LEX version information.

MSSP7EN.LEX's description is "Microsoft ENGLISH Natural Language Server Data and Code"

MSSP7EN.LEX is usually located in the 'c:\Program Files (x86)\Microsoft Office\root\Office16\PROOF\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about MSSP7EN.LEX.

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 MSSP7EN.LEX file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\ea4a5d7f679989bb1a3a967717d6fea0a406a4782637f11e4602744da14ab965.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\ea4a5d7f679989bb1a3a967717d6fea0a406a4782637f11e4602744da14ab965.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\ea4a5d7f679989bb1a3a967717d6fea0a406a4782637f11e4602744da14ab965.bin.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2456,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\ea4a5d7f679989bb1a3a967717d6fea0a406a4782637f11e4602744da14ab965.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\ea4a5d7f679989bb1a3a967717d6fea0a406a4782637f11e4602744da14ab965.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\ea4a5d7f679989bb1a3a967717d6fea0a406a4782637f11e4602744da14ab965.bin.dll"
            ]
        },
        "first_seen": 1575719585.625,
        "ppid": 2724
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1575719585.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 3,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "RESOURCE_ACL",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "RESOURCE_LEXICON",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "RESOURCE_SPELLER",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 6.85795926520841,
                "section": {
                    "size_of_data": "0x00278600",
                    "virtual_address": "0x00002000",
                    "entropy": 6.85795926520841,
                    "name": ".rsrc",
                    "virtual_size": "0x002784f8"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.999802371541502,
                "type": "generic",
                "description": "Overall entropy of this PE file is high"
            }
        ],
        "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": "192.168.56.255",
            "offset": 546,
            "time": 3.076871871948242,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5326,
            "time": 3.0182878971099854,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5654,
            "time": 1.0307128429412842,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5982,
            "time": 3.0284478664398193,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6310,
            "time": 1.5621237754821777,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6638,
            "time": -0.09734010696411133,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6966,
            "time": 1.565176010131836,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16764,
            "time": 1.0628268718719482,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 25148,
            "time": 3.131049871444702,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "1e172a47e19b73d42d966d23abef5a604da7ed5a06c1f40a0a3a10fb9a80a103",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "d073a80d6f3ce4aa921a196501b29800fc04e1112484320822a0889013cb4b09",
    "irc": [],
    "https_ex": []
}

Screenshots

Malware or legitimate?

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