General

  • Target
    fm_protected (2).exe
  • Size 6.5MB
  • Sample260930-rlatmavclb
  • SHA256 9d80eb02ef8ce14dc9d911920068bcaddf464663256592293c0e8fcfe4f4c745
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      fm_protected (2).exe
    • Size 6.5MB
    • SHA256 9d80eb02ef8ce14dc9d911920068bcaddf464663256592293c0e8fcfe4f4c745
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Creates new service(s)

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Stops running service(s)

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks