General

  • Target
    combined_payload.exe
  • Size 1.5MB
  • Sample260930-t5gsdsdb84
  • SHA256 15e8c703e4f1b61ffcc66bd98c6be8b161fec594745531e75cef0c09ada5b067
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      combined_payload.exe
    • Size 1.5MB
    • SHA256 15e8c703e4f1b61ffcc66bd98c6be8b161fec594745531e75cef0c09ada5b067
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Modifies Windows Firewall

    • Disables service(s)

    • Stops running service(s)

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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