General

  • Target
    7ff332a7646f755d1d952d7e46ebb237bd1aee1b18f0647b9040c81e84722328
  • Size 6.9MB
  • Sample260716-ctklgaex4s
  • SHA256 7ff332a7646f755d1d952d7e46ebb237bd1aee1b18f0647b9040c81e84722328
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      appinstall.8835002.msi
    • Size 7.0MB
    • SHA256 f41509de4438644c9ac2dca4f1fde21c66a90c0412d996156cee2e49215063bb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Looks for VMWare Tools registry key

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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