Analysis

  • max time kernel
    150s
  • max time network
    101s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/05/2025, 14:59

General

  • Target

    2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe

  • Size

    4.2MB

  • MD5

    b312be4969f3de211b46bb28fefc55bb

  • SHA1

    331f1918240478d9aab9b0c528926f9bb4f1fffe

  • SHA256

    f032af7f19f6f8271d9ebfbd15c5dcaebc93ec5f2b155c30429363e1c887dcae

  • SHA512

    5ec6d029dbe536e48918d38f1bf90c7c06a4dc755859593f2ba2a59c621dcce732be08f48d69761291ec49018588d8895449aa1444946eb65dccef9c341f4285

  • SSDEEP

    49152:ieutLO9rb/TrvO90dL3BmAFd4A64nsfJJ2TIA5GNP1Jr4u/TgAPNdi9128qk1q4w:ieF+iIAEl1JPz212IhzL+Bzz3dw/Vy

Malware Config

Signatures

  • Gofing

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

  • Gofing family
  • Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation. 3 IoCs
  • Renames multiple (51) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 22 IoCs
  • Manipulates Digital Signatures 2 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 59 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 System32 directory 64 IoCs
  • 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\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe"
    1⤵
    • Drops file in Drivers directory
    • Manipulates Digital Signatures
    • Drops startup file
    • Drops Chrome extension
    • Drops desktop.ini file(s)
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    PID:5424

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\7-Zip\7-zip32.dll

          Filesize

          4.2MB

          MD5

          dbc68c12931595581000fae594c4da65

          SHA1

          ff667e425973f4eaab53d9476a438dd3a021e972

          SHA256

          f0d1a2bab1e86df296024f6e9206de2537d23fd800fcfcc9bbcc5e72068c15a1

          SHA512

          6fa7578a1ec089844c8f755fa794613ed2ec925afb4ba4058d335badb43781821876b71318a251f3ce798976d0320ac2e5d202ae9ae344b339933a15c376c7c6

        • C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL

          Filesize

          4.4MB

          MD5

          607fc36e2dc98388c07a5b80f14b3e0d

          SHA1

          0085f8d5f091e5a7fddfde88642f45391972f52b

          SHA256

          3a1bd0435f525aff049ec5e87528f34a713fb6da9d4ec083ed6da1b619101fc6

          SHA512

          90f6b2b2e3f38a23f6d20fdd40fb80830d39dfb472b3ef7f0fc0d47be79cdeaa0988d78f581f32d8c1a4186ff83d2e90f4b6454af4520a88cf29a3a9d9a48db7

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\msoshext.dll

          Filesize

          5.8MB

          MD5

          b957cdf1c45809990a2067ffb60af5d3

          SHA1

          8d1389e2ef7a762f237d9e0a9c82bc696fd75f14

          SHA256

          a8c50d7a6ef5a74f21237e3cc2f4eba17942cd32a30b2607937525d6975e1d46

          SHA512

          71e9400a4de1142097607ab27b6b722b67a2ea167dfab74f95a9044b7c70ec6fb254644a5fb46362051c79d5eebee05ad2d1e7b22902126b8e2ccdb016992814