General

  • Target
    system32.exe
  • Size 2.1MB
  • Sample261022-acggdayv9p
  • SHA256 d171b1a925af513efb2e8386c0ab28267187df27945caa41a9c2721f6f4bbe86
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xbinder

Mutex
  • Bm1TWuyT2goNKuBGv

Attributes
  • primary_drop_directory

    %WinDir%\System32

  • primary_execute

    true

  • primary_hidden_file

    true

  • primary_resource_name

    system.exe

  • secondary_drop_directory

    %Temp%

  • secondary_execute

    true

  • secondary_hidden_file

    true

  • secondary_resource_name

    dControl.exe

Extracted

Family
  • xworm

C2
  • 31.6.50.206:2012

Mutex
  • lلٍ1يpنل8aيoي1Rسم1فاXًGfبjnلkك

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      system32.exe
    • Size 2.1MB
    • SHA256 d171b1a925af513efb2e8386c0ab28267187df27945caa41a9c2721f6f4bbe86
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: XBinder

      XBinder is a crypter and loader delivering a wide variety of malware, written in C#.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks