General

  • Target
    http://roblox.com
  • Sample260821-bveaeatxc1

Malware Config

Targets

    • Target
      http://roblox.com
    • Detects KillMBR

    • Family: KillMBR

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks