What is kbservice.exe?

kbservice.exe is part of KBService and developed by SAMSUNG according to the kbservice.exe version information.

kbservice.exe's description is "KBService"

kbservice.exe is digitally signed by Microsoft Windows Hardware Compatibility Publisher.

kbservice.exe is usually located in the 'c:\windows\system32\driverstore\filerepository\bh1733als.inf_arm64_a139df1dbc82ab8c\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about kbservice.exe.

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 73 anti-virus programs at VirusTotal detected the kbservice.exe file.

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\\Globalization\\Sorting\\sortdefault.nls"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
    ],
    "dll_loaded": [
        "kernel32",
        "kernel32.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\63c90973ac7df4b3c7ee4857fb963a0013ff7f142b08f1ec7bc9bf092c72b6cc.bin",
        "process_name": "63c90973ac7df4b3c7ee4857fb963a0013ff7f142b08f1ec7bc9bf092c72b6cc.bin",
        "pid": 2816,
        "summary": {
            "file_opened": [
                "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
            ],
            "dll_loaded": [
                "kernel32",
                "kernel32.dll"
            ]
        },
        "first_seen": 1593946386.671875,
        "ppid": 2736
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1593946386.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "E:\\Perforce\\SC8180X_SPACE\\SC8180X\\DEV\\src\\Apps\\KeyboardBacklightService\\Release\\KBService.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Foreign language identified in PE resource",
        "severity": 2,
        "marks": [
            {
                "name": "RT_VERSION",
                "language": "LANG_KOREAN",
                "offset": "0x000210a0",
                "filetype": "data",
                "sublanguage": "SUBLANG_KOREAN",
                "type": "generic",
                "size": "0x000002ac"
            }
        ],
        "references": [],
        "name": "origin_langid"
    }
]

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": 6.3153369426727295,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5342,
            "time": 12.376235008239746,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7186,
            "time": 6.1616530418396,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7514,
            "time": 4.140311002731323,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7842,
            "time": 6.251338958740234,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8170,
            "time": 4.644148111343384,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8498,
            "time": 3.0379221439361572,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8826,
            "time": 4.672728061676025,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28236,
            "time": 4.175904035568237,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 36620,
            "time": 6.2535951137542725,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "052dba71884d0812e8f542e4a5e1d1cf5dd41b53b7e7efc398c9856eb8a91634",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "c78cb40b97c1f67dadc28ae66632bdd561dc41acdc80268f3ac54e9f2039b401",
    "irc": [],
    "https_ex": []
}

Screenshots

Error Messages

Malware or legitimate?

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