General

  • Target
    www.mxh4h.com_sample.bin
  • Size 3.5MB
  • Sample261024-xfajkafe64
  • SHA256 2e0f9dbba8d3e102efa85eaa910b10eda839d47a2f16f152a0bcab323e0a94b3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.2.0.02.exe
    • Size 38.9MB
    • SHA256 f3340a2f9bd8adda32c662f1e4afd1f08011f40f9ec782ed7299c7cf533849a4
    • 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

    • 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.

    • 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