General

  • Target

    2025-04-03_a9c785938fb6232a808322554f5b5571_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch

  • Size

    4.2MB

  • Sample

    250404-af4fbawyf1

  • MD5

    a9c785938fb6232a808322554f5b5571

  • SHA1

    c1181ae0ae0beb3f995a0d071c108e499d48d5c1

  • SHA256

    d6b4e7b98ad5e918d285b2bfbba3788f773593f2e40d98d008ff6e924d4378d3

  • SHA512

    18f3c47bd04ebae7b2e30cd5598fbdab0d5041ccf4f4cf3630c154c98324120614991587973ee4c549c4d03b10a1c4f01248f0bfd64b41e43f3291855556e032

  • SSDEEP

    49152:ieutLO9rb/TrvO90dL3BmAFd4A64nsfJJ2TIA5GNP1Jr4u/TgAPNdi9128qk1q4i:ieF+iIAEl1JPz212IhzL+Bzz3dw/VE

Malware Config

Targets

    • Target

      2025-04-03_a9c785938fb6232a808322554f5b5571_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch

    • Size

      4.2MB

    • MD5

      a9c785938fb6232a808322554f5b5571

    • SHA1

      c1181ae0ae0beb3f995a0d071c108e499d48d5c1

    • SHA256

      d6b4e7b98ad5e918d285b2bfbba3788f773593f2e40d98d008ff6e924d4378d3

    • SHA512

      18f3c47bd04ebae7b2e30cd5598fbdab0d5041ccf4f4cf3630c154c98324120614991587973ee4c549c4d03b10a1c4f01248f0bfd64b41e43f3291855556e032

    • SSDEEP

      49152:ieutLO9rb/TrvO90dL3BmAFd4A64nsfJJ2TIA5GNP1Jr4u/TgAPNdi9128qk1q4i:ieF+iIAEl1JPz212IhzL+Bzz3dw/VE

    • 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.

    • Renames multiple (52) files with added filename extension

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

    • Drops file in Drivers directory

    • Manipulates Digital Signatures

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops autorun.inf file

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks