General

  • Target
    a-software85650002.exe
  • Size 70.1MB
  • Sample260620-sn34mafw8m
  • SHA256 a1bebf922ec25ea218d165605716c37a5536b2b046fef5462b057594297db2ff
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      a-software85650002.exe
    • Size 70.1MB
    • SHA256 a1bebf922ec25ea218d165605716c37a5536b2b046fef5462b057594297db2ff
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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 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

    • 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