Analysis

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

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/09/2026, 19:51

General

  • Target
    2026-09-16_83ab50e6e81cb69218f9489776b7eaa3_cobalt-strike_frostygoop_ghostlocker_glassworm_gofing_hi.exe
  • Size 15.1MB
  • Sample260916-yk8slavemc
  • SHA256 b639de8e2ec8402ecb59b58069fdd4a9800e6643ff92f0cdd4ed0da2af68a353
  • 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 44 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\2026-09-16_83ab50e6e81cb69218f9489776b7eaa3_cobalt-strike_frostygoop_ghostlocker_glassworm_gofing_hi.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-16_83ab50e6e81cb69218f9489776b7eaa3_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:2992

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 a7ad15386e53f6c91e2e980869b841bd34e61284ac5a057018928b0b1a44d436
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VISSHE.DLL

        • Path C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL
        • Size 4.4MB
        • SHA256 efb3bc5b5c2c1f9bff0fce61ebf704ce8236b8a0d7d039fa97c8143257651223
        • 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 6348b7583992c5470077d785bdb208c5ea91883c9c42de94ba492e7374bda8b0
        • MD5 SHA1 SHA512 SSDEEP TLSH