General

  • Target
    www.mxh4h.com_sample.bin
  • Size 3.5MB
  • Sample261024-ltn4bstvdv
  • SHA256 a315e8ba76706ba5c4823017e0ee6f3a275b1d9544ca155e7eee2664dd6e8d0e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.2.0.02.exe
    • Size 38.9MB
    • SHA256 853c8a0e27d40a00d742d4a15ea4fa957d1a6f07a28f7a35552aab0e3ede9c83
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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