General

  • Target
    https://www.byond.com/download/
  • Sample241107-dlynsswpdk

Malware Config

Targets

    • Target
      https://www.byond.com/download/
    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

    • 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 v15

Tasks