General

  • Target
    Screenshot (46).png
  • Size 1.9MB
  • Sample260620-sym56agz81
  • SHA256 7f93fcd809439357f33f11ed8c67e7b37aaf8728fbe0ef0cb09e8c63cc2c00f5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Screenshot (46).png
    • Size 1.9MB
    • SHA256 7f93fcd809439357f33f11ed8c67e7b37aaf8728fbe0ef0cb09e8c63cc2c00f5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects KillMBR

    • Family: KillMBR

      KillMBR is a trojan that attempts to overwrite the Master Boot Record.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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