General

  • Target
    15082026_1624_14082026_Contract - CB-KLS-a-c2 (003) - 14.08.26.js.zip
  • Size 98KB
  • Sample260815-twvb5adr41
  • SHA256 76cd4f2a086188877d464df6fe089bfca7db067aaded461c6820a12511764b46
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 109.248.150.234:1012

Mutex
  • aGO284VKfQVe8Vup

Attributes
  • Install_directory

    %AppData%

  • install_file

    bin.exe

aes.plain

Targets

    • Target
      Contract - CB-KLS+А+В2 (003) - 14.08.26.js
    • Size 199KB
    • SHA256 6ecdce814b4e49ffb10d7b221b75bfb0838aabe7f0f9a3890d3b4aecc4f23dab
    • 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 and hide display window.

    • 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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks