General

  • Target
    c329cf9d0d6979c29ed5e9b0e1f0af3c988d314c61e4d06af9c00eb1d5445c8c
  • Size 21.1MB
  • Sample260706-kbeaqsgv2m
  • SHA256 c329cf9d0d6979c29ed5e9b0e1f0af3c988d314c61e4d06af9c00eb1d5445c8c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      c329cf9d0d6979c29ed5e9b0e1f0af3c988d314c61e4d06af9c00eb1d5445c8c
    • Size 21.1MB
    • SHA256 c329cf9d0d6979c29ed5e9b0e1f0af3c988d314c61e4d06af9c00eb1d5445c8c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies firewall policy service

    • Enumerates VirtualBox DLL files

    • Enumerates VirtualBox registry keys

    • Looks for VirtualBox drivers on disk

    • Looks for VirtualBox executables on disk

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Looks for VMWare drivers on disk

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

    • Possible privilege escalation attempt

    • Disables automatic submission of suspicious files to Microsoft by Windows Defender

      Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

    • Disables service(s)

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Stops running service(s)

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v16

Tasks