General

  • Target
    install.2.0.05.exe
  • Size 30.5MB
  • Sample261023-rf92jab16w
  • SHA256 5218c6eb3d4c071cb40f75bd4a9aab8eb9426dbd1cf23f1cea4f6ef3b31d3a87
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.2.0.05.exe
    • Size 30.5MB
    • SHA256 5218c6eb3d4c071cb40f75bd4a9aab8eb9426dbd1cf23f1cea4f6ef3b31d3a87
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • 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.

    • Disables service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks