Resubmissions

07/09/2026, 19:41

260907-yd3m1avaqd3

07/09/2026, 19:36

260907-ybkdmsfl6110

07/09/2026, 19:33

260907-x91b3sthqg9

General

  • Target
    http://google.com
  • Sample260907-ybkdmsfl61

Malware Config

Targets

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

    • Family: KillMBR

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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.

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks