What is umppc9905.dll?

umppc9905.dll is part of CrowdStrike Falcon Sensor and developed by CrowdStrike, Inc. according to the umppc9905.dll version information.

umppc9905.dll's description is "CrowdStrike Falcon Sensor Support Module"

umppc9905.dll is digitally signed by CrowdStrike, Inc..

umppc9905.dll is usually located in the 'C:\windows\System32\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about umppc9905.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 70 anti-virus programs at VirusTotal detected the umppc9905.dll file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2336,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll"
            ]
        },
        "first_seen": 1571471585.8125,
        "ppid": 2740
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2740,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\8293bc83f779da7ec4326aa887829690c7aaaea8a1f849c46ae3b7b41b6c6f11.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1571471585.6406,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1571471585.3281,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "umppc.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": ".ucpy",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": ".perf",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Detects Virtual Machines through their custom firmware",
        "severity": 3,
        "marks": [
            {
                "call": {
                    "category": "system",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 0,
                    "nt_status": -1073741772,
                    "api": "NtQuerySystemInformation",
                    "return_value": -1073741822,
                    "arguments": {
                        "information_class": 76
                    },
                    "time": 1571471587.5935,
                    "tid": 2828,
                    "flags": {
                        "information_class": "SystemFirmwareTableInformation"
                    }
                },
                "pid": 2336,
                "type": "call",
                "cid": 27
            }
        ],
        "references": [],
        "name": "antivm_firmware"
    }
]

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": 3.0761799812317,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5074,
            "time": 3.0103039741516,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5402,
            "time": 1.0349090099335,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5730,
            "time": 3.0177538394928,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6058,
            "time": 1.5345509052277,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6386,
            "time": -0.092046976089478,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6714,
            "time": 1.5470910072327,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15396,
            "time": 1.063304901123,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 19588,
            "time": 3.1243369579315,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "b7d93c963715f74a8f6f8621512780b1470d2a1997f5b7a630bcd9a67431b76b",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "cd210feeb08a62207bfd4ed53df254a6d427c8a3101e5d47bd41d3acdf3ce28e",
    "irc": [],
    "https_ex": []
}

Screenshots

What did other users do?

The poll result listed below shows what users chose to do with umppc9905.dll. 25% have voted for removal. Based on votes from 4 users.

NOTE: Please do not use this poll as the only source of input to determine what you will do with umppc9905.dll. Only 4 users has voted so far so it does not offer a high degree of confidence.

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.

And now some shameless self promotion ;)

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