What is tabctl32.ocx?

tabctl32.ocx is part of TabCtl32 Object Library and developed by Microsoft Corporation according to the tabctl32.ocx version information.

tabctl32.ocx's description is "TABCTL32 OLE Control DLL"

tabctl32.ocx is digitally signed by Microsoft Corporation.

tabctl32.ocx is usually located in the 'c:\Windows\SysWOW64\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about tabctl32.ocx.

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 66 anti-virus programs at VirusTotal detected the tabctl32.ocx 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\\fc9242b14b2cfc1a3dfc659739fa5fa48750d1c94f57b6425f0d39864d51bd79.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc9242b14b2cfc1a3dfc659739fa5fa48750d1c94f57b6425f0d39864d51bd79.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc9242b14b2cfc1a3dfc659739fa5fa48750d1c94f57b6425f0d39864d51bd79.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\\fc9242b14b2cfc1a3dfc659739fa5fa48750d1c94f57b6425f0d39864d51bd79.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc9242b14b2cfc1a3dfc659739fa5fa48750d1c94f57b6425f0d39864d51bd79.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc9242b14b2cfc1a3dfc659739fa5fa48750d1c94f57b6425f0d39864d51bd79.bin.dll"
            ]
        },
        "first_seen": 1576273986.640625,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1576273986.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "TYPELIB",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    },
    {
        "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": "0x74f21000"
                    },
                    "time": 1576273986.718625,
                    "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": 662,
            "time": 6.19318699836731,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4434,
            "time": 6.133551120758057,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4762,
            "time": 4.1482720375061035,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5090,
            "time": 6.1430580615997314,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5418,
            "time": 4.650026082992554,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5746,
            "time": 3.0171380043029785,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6074,
            "time": 4.677303075790405,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14756,
            "time": 4.1816840171813965,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18948,
            "time": 6.240406036376953,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "0fe1bd4766d590e986ed44fb38aff47793670d4449d90f85a3d774b29accdb6a",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "fba735b8fce5705371086dbd23d5862ea6a9e3930980c3d00efc3acc142af711",
    "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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