What is NULN2R32.DLL?

NULN2R32.DLL is part of Snap-on Inc NULN2R32 and developed by Snap-on Inc according to the NULN2R32.DLL version information.

NULN2R32.DLL's description is "RP1210 DLL"

NULN2R32.DLL is digitally signed by IDSC Holdings LLC.

NULN2R32.DLL is usually located in the 'C:\Windows\SysWOW64\' folder.

Some of the anti-virus scanners at VirusTotal detected NULN2R32.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

1 of the 73 anti-virus programs at VirusTotal detected the NULN2R32.DLL file. That's a 1% detection rate.

Scanner	Detection Name
Comodo	Application.Win32.Addrop.OA@61ut8j

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_opened": [
        "C:\\Windows\\SysWOW64\\en-US\\KERNELBASE.dll.mui"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\9edadec100afedc5b6abf8a0d533ef33491bb77c29e34bb7dfc1f4c4fbc7d1cd.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\9edadec100afedc5b6abf8a0d533ef33491bb77c29e34bb7dfc1f4c4fbc7d1cd.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\9edadec100afedc5b6abf8a0d533ef33491bb77c29e34bb7dfc1f4c4fbc7d1cd.bin.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2504,
        "summary": {
            "file_opened": [
                "C:\\Windows\\SysWOW64\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9edadec100afedc5b6abf8a0d533ef33491bb77c29e34bb7dfc1f4c4fbc7d1cd.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9edadec100afedc5b6abf8a0d533ef33491bb77c29e34bb7dfc1f4c4fbc7d1cd.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\9edadec100afedc5b6abf8a0d533ef33491bb77c29e34bb7dfc1f4c4fbc7d1cd.bin.dll"
            ]
        },
        "first_seen": 1592646785.78125,
        "ppid": 2448
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1592646785.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "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": ".Shared",
                "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": "192.168.56.255",
            "offset": 546,
            "time": 3.1486940383911133,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3130,
            "time": 3.0761940479278564,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3458,
            "time": 1.1175239086151123,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3786,
            "time": 3.0915839672088623,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4114,
            "time": 1.531877040863037,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4442,
            "time": -0.032257080078125,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4770,
            "time": 1.6279840469360352,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 10234,
            "time": 1.138927936553955,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14426,
            "time": 3.1957030296325684,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "7b96f8d8aa0efa5f5dcc25cbabadba2656c65dc12aff35862088013307fc591e",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "3e01fe26be469d1daf470c0fed9f3c955ad45ddbd517a4e405a53837148f7031",
    "irc": [],
    "https_ex": []
}

Screenshots

Malware or legitimate?

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