General

  • Target
    b32a6edfdde869c3372d98bfca0937a5ce428e8e1e433f843e1931b920f3e63e
  • Size 6.8MB
  • Sample260815-rn2ecscr81
  • SHA256 b32a6edfdde869c3372d98bfca0937a5ce428e8e1e433f843e1931b920f3e63e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      insoft_v10.0.15.exe
    • Size 35.0MB
    • SHA256 05947c1a51b1821bc44990abb6e9ed410c7b0b3f246239776f17d84f0c4b2fca
    • 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 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