General

  • Target
    MasonChess.exe
  • Size 1.3MB
  • Sample260720-a131aacy8z
  • SHA256 d6769672dc09ad17d83e20da0c8d0f939ee8eaaa984dcbf5cb4e04a235ae208f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      MasonChess.exe
    • Size 1.3MB
    • SHA256 d6769672dc09ad17d83e20da0c8d0f939ee8eaaa984dcbf5cb4e04a235ae208f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Executes dropped EXE

    • Writes to the Master Boot Record (MBR)

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

MITRE ATT&CK Enterprise v16

Tasks