Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/09/2026, 01:04

General

  • Target
    2026-09-17_c4dce7e4fafd9a06cde277d0036830fd_cobalt-strike_frostygoop_ghostlocker_glassworm_gofing_hi.exe
  • Size 4.1MB
  • Sample260918-bfebvsfr3v
  • SHA256 9cbbf7a726384fc9fcc0c45c05b0c3791be544fdff34fdef5cc5b35817456495
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Gofing

    Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.

  • Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation. 3 IoCs
  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 38 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops Chrome extension 1 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-17_c4dce7e4fafd9a06cde277d0036830fd_cobalt-strike_frostygoop_ghostlocker_glassworm_gofing_hi.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-17_c4dce7e4fafd9a06cde277d0036830fd_cobalt-strike_frostygoop_ghostlocker_glassworm_gofing_hi.exe"
    1⤵
    • Creates a file in the Startup directory
    • Drops Chrome extension
    • Drops desktop.ini file(s)
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Drops file in Windows directory
    PID:3356

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.dll

        • Path C:\Program Files\7-Zip\7z.dll
        • Size 5.9MB
        • SHA256 739a303114a17a6355516141dac41c03af7be844ae9e1340e2c93cd7060bddf6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VISSHE.DLL

        • Path C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL
        • Size 4.4MB
        • SHA256 dbd7d21ec700b9187946f94160ac313c2102de70a2df792a67d4fda687b25bcd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msoshext.dll

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\msoshext.dll
        • Size 5.8MB
        • SHA256 06dd229c102ad4df74eb2cba964c460ed89391707f0941b37b302fcc24d32b79
        • MD5 SHA1 SHA512 SSDEEP TLSH