Resubmissions

10/04/2024, 02:29

240410-cy22baca5410

10/04/2024, 02:29

240410-cy2esafc8z10

10/04/2024, 02:29

240410-cy1s9aca5210

10/04/2024, 02:29

240410-cy1hgsfc8x10

14/10/2023, 01:29

231014-bwm9pshg4t10

General

  • Target
    D5f0a5d17c7420fe49da676.exe
  • Size 250KB
  • Sample240410-cy22baca54
  • SHA256 67474d56996cadf242c087aeac455357bd33e79545538eeade15ae259fb3e869
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      D5f0a5d17c7420fe49da676.exe
    • Size 250KB
    • SHA256 67474d56996cadf242c087aeac455357bd33e79545538eeade15ae259fb3e869
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Gurcu Stealer V3 payload

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks