General

  • Target
    www.mxh4h.com_sample.bin
  • Size 2.8MB
  • Sample261024-dphfzseb44
  • SHA256 9d65ff964832c4cad2171688a45a56d4502a0efe9e6ca2b92242cd0a494c1ec2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.2.0.06.exe
    • Size 30.5MB
    • SHA256 998ba26d995112c09eab9c2f9de1dfc30b0a2b494de38640a4431be627bb4c83
    • 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