What is FileCoAuth.exe?

FileCoAuth.exe is part of Microsoft OneDrive and developed by Microsoft Corporation according to the FileCoAuth.exe version information.

FileCoAuth.exe's description is "Microsoft OneDriveFile Co-Authoring Executable"

FileCoAuth.exe is digitally signed by Microsoft Corporation.

FileCoAuth.exe is usually located in the 'C:\Program Files (x86)\Microsoft OneDrive\19.232.1124.0008\' folder.

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

Vendor and version information [?]

The following is the available information on FileCoAuth.exe:

PropertyValue
Product nameMicrosoft OneDrive
Company nameMicrosoft Corporation
File descriptionMicrosoft OneDriveFile Co-Authoring Executable
Internal nameMicrosoft OneDrive
Original filenameFileCoAuth.exe
Legal copyright© Microsoft Corporation. All rights reserved.
Product version19.232.1124.0008
File version19.232.1124.0008
Special buildb/build/f550e3c0-c307-d6d2-15ef-f7d0cf8f3eb2

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameMicrosoft OneDrive
Company nameMicrosoft Corporation
File descriptionMicrosoft OneDriveFile Co-Authoring ..
Internal nameMicrosoft OneDrive
Original filenameFileCoAuth.exe
Legal copyright© Microsoft Corporation. All rights..
Product version19.232.1124.0008
File version19.232.1124.0008
Special buildb/build/f550e3c0-c307-d6d2-15ef-f7d0..

Digital signatures [?]

FileCoAuth.exe has a valid digital signature.

PropertyValue
Signer nameMicrosoft Corporation
Certificate issuer nameMicrosoft Code Signing PCA 2010
Certificate serial number33000002c2813cef6a1e0924010000000002c2

VirusTotal report

1 of the 72 anti-virus programs at VirusTotal detected the FileCoAuth.exe file. That's a 1% detection rate.

ScannerDetection Name
Antiy-AVL Trojan/Win32.Wacatac
1 of the 72 anti-virus programs detected the FileCoAuth.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1583913186.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "d:\\dbs\\sh\\odct\\0212_153508_0\\client\\onedrive\\Product\\FileCoAuth\\Desktop\\exe\\obj\\i386\\FileCoAuth.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "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"
    }
]

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": 3.078382968902588,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5074,
            "time": 3.0181429386138916,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5402,
            "time": 1.0153601169586182,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5730,
            "time": 3.027862071990967,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6058,
            "time": 1.5180270671844482,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6386,
            "time": -0.08828091621398926,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6714,
            "time": 1.5502331256866455,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16512,
            "time": 1.0490961074829102,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 24896,
            "time": 3.140622138977051,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "454eed8dd3858ad663c6a5b921661e70d4f154ca22a16fe86adafef52d675b0c",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "8012d99d2226dba983a04fdec1f89fc947447804bdd92b6f08ea78adac98cb6d",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Other files also named FileCoAuth.exe

FileCoAuth.exe (19 votes)

Hashes [?]

PropertyValue
MD5ceef7e08f237d3972f02591e1110f19a
SHA25691db0b7f441f148fdfa142cdcc8721ceb95d4fe5b0ae8622ac96ec1b1d287b58

Error Messages

These are some of the error messages that can appear related to filecoauth.exe:

filecoauth.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

filecoauth.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

Microsoft OneDriveFile Co-Authoring Executable has stopped working.

End Program - filecoauth.exe. This program is not responding.

filecoauth.exe is not a valid Win32 application.

filecoauth.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with FileCoAuth.exe?

To help other users, please let us know what you will do with FileCoAuth.exe:



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.

Please select the option that best describe your thoughts on the information provided on this web page


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Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

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