General

  • Target
    c1bba56272310ef2b72d468b811c85cca4b0df44107308c4cb6d2f041ae4734e_pre-append.js
  • Size 346KB
  • Sample260913-rskbmsgq5x
  • SHA256 1e2b4afcf60882d7c8818552b5f885d2f1f21a871aa212afbe5b27129bc7076c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 198.23.177.219:4445

Mutex
  • xD43mP0EKnMjTBMj

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    XWormClient.exe

aes.plain

Targets

    • Target
      c1bba56272310ef2b72d468b811c85cca4b0df44107308c4cb6d2f041ae4734e_pre-append.js
    • Size 346KB
    • SHA256 1e2b4afcf60882d7c8818552b5f885d2f1f21a871aa212afbe5b27129bc7076c
    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks