General

  • Target
    dcb8bbdb6c842eab36c28a4a384bd80bef110b6be1c2184ab71b5bef063a2e4d
  • Size 3.4MB
  • Sample261008-1vxt7aet7r
  • SHA256 dcb8bbdb6c842eab36c28a4a384bd80bef110b6be1c2184ab71b5bef063a2e4d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      appnstaller.5.3.07.exe
    • Size 31.8MB
    • SHA256 afbb9817c50110bb2c4a8d7e48510cd82936473a203292991ad4b19cd1424fd7
    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

    • 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