General

  • Target

    a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118

  • Size

    496KB

  • Sample

    240818-x5akvstbnq

  • MD5

    a7e9dd646b4bad2c5e4f622feec0262a

  • SHA1

    c820b37bdb4b7466ac7d7acb3f5e9fb7b40b1e8f

  • SHA256

    55e4c8c2853a7840f64cec0e2e90d9fcafc22320428c8d69093ff081254be20c

  • SHA512

    95138941f672c8cf09a97c8ec89ef4e64d8fb483ef1890d1e79f5334453e44df16cc426eb17c3c0ba726e3148075fd7bc40cfdcf90fc5f0cb0ababc8f74f1497

  • SSDEEP

    12288:g99MYYs/zDnn6/YBh6Wu1MXp7tJ7NDtChroRARoHrPK:gAByvnQYn6iXdZJChroGMK

Malware Config

Targets

    • Target

      a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118

    • Size

      496KB

    • MD5

      a7e9dd646b4bad2c5e4f622feec0262a

    • SHA1

      c820b37bdb4b7466ac7d7acb3f5e9fb7b40b1e8f

    • SHA256

      55e4c8c2853a7840f64cec0e2e90d9fcafc22320428c8d69093ff081254be20c

    • SHA512

      95138941f672c8cf09a97c8ec89ef4e64d8fb483ef1890d1e79f5334453e44df16cc426eb17c3c0ba726e3148075fd7bc40cfdcf90fc5f0cb0ababc8f74f1497

    • SSDEEP

      12288:g99MYYs/zDnn6/YBh6Wu1MXp7tJ7NDtChroRARoHrPK:gAByvnQYn6iXdZJChroGMK

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • 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