General

  • Target
    bazzarnuker.exe
  • Size 178KB
  • Sample260628-abk36set4q
  • SHA256 e291887bbb71c61d72db816c7feab8822507bf1accbc089ce91f56ef72b3aea8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      bazzarnuker.exe
    • Size 178KB
    • SHA256 e291887bbb71c61d72db816c7feab8822507bf1accbc089ce91f56ef72b3aea8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Clears Windows event logs

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Checks computer location settings

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

    • Disables service(s)

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Stops running service(s)

    • 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.

    • Checks system information in the registry

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

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks