General

  • Target
    MasonChess.zip
  • Size 348KB
  • Sample260416-3dphlafw2x
  • SHA256 5f25b743517b2fdd02568b9dbd72c0e30a116c0e56747d2f04d5eda503e86227
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      MasonChess.exe
    • Size 1.3MB
    • SHA256 9be0c047cea06ab24bdb1711ca7d4608e179826d079206ed36a1aea830cc5149
    • 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