What is OsAbstraction.dll?

OsAbstraction.dll is part of NEXIQ Technologies, Inc. OsAbstraction and developed by NEXIQ Technologies, Inc. according to the OsAbstraction.dll version information.

OsAbstraction.dll's description is "OsAbstraction"

OsAbstraction.dll is usually located in the 'C:\Windows\SysWOW64\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about OsAbstraction.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 72 anti-virus programs at VirusTotal detected the OsAbstraction.dll 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\\74fd0fa6f9fe501b1ffe2fc1c1362aef540c6b4d7da9721f96612acb66c78671.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\74fd0fa6f9fe501b1ffe2fc1c1362aef540c6b4d7da9721f96612acb66c78671.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\74fd0fa6f9fe501b1ffe2fc1c1362aef540c6b4d7da9721f96612acb66c78671.bin.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2740,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\74fd0fa6f9fe501b1ffe2fc1c1362aef540c6b4d7da9721f96612acb66c78671.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\74fd0fa6f9fe501b1ffe2fc1c1362aef540c6b4d7da9721f96612acb66c78671.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\74fd0fa6f9fe501b1ffe2fc1c1362aef540c6b4d7da9721f96612acb66c78671.bin.dll"
            ]
        },
        "first_seen": 1592650386.78125,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1592650386.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x10017000"
                    },
                    "time": 1592650387.01525,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 10
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    }
]

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": 3.138684034347534,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4318,
            "time": 3.067911148071289,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4646,
            "time": 1.0824980735778809,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4974,
            "time": 3.0803141593933105,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5302,
            "time": 1.5484411716461182,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5630,
            "time": -0.039079904556274414,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 5958,
            "time": 1.593088150024414,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14640,
            "time": 1.0971901416778564,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18832,
            "time": 3.2008070945739746,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "9d9db92df793b48651aa6fc8d947ea34fc97b344d139d845ee1e6736bc1c4d9a",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "d3ac89d0b834e73a92dc4c6bd80f2f9788a2a68f9b4f3a362c23ce5b21b57d25",
    "irc": [],
    "https_ex": []
}

Screenshots

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.

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