General

  • Target
    www.mxh4h.com_sample.bin
  • Size 2.8MB
  • Sample261024-kdgtmstsbx
  • SHA256 bf8b3ec0d0f7fbf66e12ba7b828d8ec9fc0d09ed8e9cfadeb6e6fa55d5087184
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.2.0.15.exe
    • Size 30.5MB
    • SHA256 d4cf48148cf6f44ef2eeb651e8ceecb64d6c2c6b3e2a0557fa0f65a6c1e57aef
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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