General

  • Target
    www.mxh4h.com_sample.bin
  • Size 2.8MB
  • Sample261024-sfbdmsaw2z
  • SHA256 6a31d42488f89afee1949219a2bf26f64bf9d92af1094dbd474f65942b90f842
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      install.2.0.06.exe
    • Size 30.5MB
    • SHA256 4f44d41a38d1c1f7596ae7acc5683301dcdf1914c5412345e0f6bb5a5a6caee9
    • 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