General

  • Target
    bae9ef32c9349d312907529357920b7548a0c1bb39efed90630f4e2e5fcb6fe9
  • Size 701KB
  • Sample260827-ewbsfsdl4y
  • SHA256 bae9ef32c9349d312907529357920b7548a0c1bb39efed90630f4e2e5fcb6fe9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 45.154.98.168:9019

Mutex
  • U1HTpom8klWxOpDd

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Targets

    • Target
      MT304_SWIFT_Message_Review_Request_.exe
    • Size 754KB
    • SHA256 57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • 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.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Adds Run key to start application

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks