Resubmissions

10-04-2024 02:29

240410-cy22baca54 10

10-04-2024 02:29

240410-cy2esafc8z 10

10-04-2024 02:29

240410-cy1s9aca52 10

10-04-2024 02:29

240410-cy1hgsfc8x 10

14-10-2023 01:29

231014-bwm9pshg4t 10

General

  • Target

    D5f0a5d17c7420fe49da676.exe

  • Size

    250KB

  • Sample

    240410-cy1hgsfc8x

  • MD5

    24a8408510d9b173b9dc078574261d28

  • SHA1

    2ecfc788687aadbd9cc42ea311210f7cde5fa064

  • SHA256

    67474d56996cadf242c087aeac455357bd33e79545538eeade15ae259fb3e869

  • SHA512

    de51ce9f9df68a688e7a8092aa70210ba07a9d7738ea731e2e8a7e724b3fc73cd77e83f63d675f6a1def373b437af533e1fdc688ddf1bfb94477277a8e74a5a9

  • SSDEEP

    6144:PY6+lYxyWoekN4B2We2TxT8jWHgf8YJkVHC++VeQPBZnq0LZYSwFxQx9tjQ9bMXq:PxpmWHgf8Y6/Qp1nLiDKhFX

Malware Config

Targets

    • Target

      D5f0a5d17c7420fe49da676.exe

    • Size

      250KB

    • MD5

      24a8408510d9b173b9dc078574261d28

    • SHA1

      2ecfc788687aadbd9cc42ea311210f7cde5fa064

    • SHA256

      67474d56996cadf242c087aeac455357bd33e79545538eeade15ae259fb3e869

    • SHA512

      de51ce9f9df68a688e7a8092aa70210ba07a9d7738ea731e2e8a7e724b3fc73cd77e83f63d675f6a1def373b437af533e1fdc688ddf1bfb94477277a8e74a5a9

    • SSDEEP

      6144:PY6+lYxyWoekN4B2We2TxT8jWHgf8YJkVHC++VeQPBZnq0LZYSwFxQx9tjQ9bMXq:PxpmWHgf8Y6/Qp1nLiDKhFX

    • 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