General

  • Target

    8b43a72a90aa534dade4706e8b77f271_JaffaCakes118

  • Size

    1.2MB

  • Sample

    240811-vwbqfsygnn

  • MD5

    8b43a72a90aa534dade4706e8b77f271

  • SHA1

    5d08fa7ba457392acbf6f83ca44bc3f7e68961dc

  • SHA256

    a686af167b443bfc8e9bfd3332f349c0d85bb7f2daf83d081f549abc737e8fd5

  • SHA512

    744da373c99fedb0b5767bda3ee2682bc98bdc9ffc3d7e57d69b00a9af0ac2b76cec5e4a6636b2348068faf01c1062abbb40ab4b341155bfc10b1af99702bc56

  • SSDEEP

    24576:3R3wdDxvbHRDYJ10U8lwtqr9RW4qA7YM5F5rW2g6tGEf7ZzL8g:BGbH2J10U8lwtUj1nhJgWf9zYg

Malware Config

Targets

    • Target

      8b43a72a90aa534dade4706e8b77f271_JaffaCakes118

    • Size

      1.2MB

    • MD5

      8b43a72a90aa534dade4706e8b77f271

    • SHA1

      5d08fa7ba457392acbf6f83ca44bc3f7e68961dc

    • SHA256

      a686af167b443bfc8e9bfd3332f349c0d85bb7f2daf83d081f549abc737e8fd5

    • SHA512

      744da373c99fedb0b5767bda3ee2682bc98bdc9ffc3d7e57d69b00a9af0ac2b76cec5e4a6636b2348068faf01c1062abbb40ab4b341155bfc10b1af99702bc56

    • SSDEEP

      24576:3R3wdDxvbHRDYJ10U8lwtqr9RW4qA7YM5F5rW2g6tGEf7ZzL8g:BGbH2J10U8lwtUj1nhJgWf9zYg

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    • ISR Stealer payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks