General

  • Target
    3b02f53d3047588b4c4d0c693f5dd25e1a0bb441170241510a76e81fb963a583_post-append.js
  • Size 461KB
  • Sample260913-rm7vragp6x
  • SHA256 85c35c3d40eeb2079fd7e144723b244e0b2162bba86f6e55bbeff6b254970aa5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 198.23.177.219:4445

Mutex
  • 19UxITJDrgiOdo47

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      3b02f53d3047588b4c4d0c693f5dd25e1a0bb441170241510a76e81fb963a583_post-append.js
    • Size 461KB
    • SHA256 85c35c3d40eeb2079fd7e144723b244e0b2162bba86f6e55bbeff6b254970aa5
    • 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.

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks