General

  • Target
    windows11-setup_11_59931.exe
  • Size 34.1MB
  • Sample220423-2fc2xaahgp
  • SHA256 0cffbd0a9a71d6dc4ccb63dbbfeef735b2c8bf9acdf1409f1cbdeed36ce0faf8
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      windows11-setup_11_59931.exe
    • Size 34.1MB
    • SHA256 0cffbd0a9a71d6dc4ccb63dbbfeef735b2c8bf9acdf1409f1cbdeed36ce0faf8
    • MD5 SHA1 SHA512
    • Modifies Windows Defender notification settings

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • Windows security bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Disables use of System Restore points

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks