General

  • Target

    XClient.exe

  • Size

    41KB

  • Sample

    250124-wy6jaa1mhv

  • MD5

    238c543e188e55b1270ba6a19ea64744

  • SHA1

    d1757ef39eb202f63ce852a6d22128aa05e6b4d1

  • SHA256

    9de66e3b9fd4a3272eeb379868e2cb3c627d3fa30a2c171dceaa91464378aa83

  • SHA512

    f529cefecf2c6ab4a6dbb8e72912bd3e96db68cb696c650c74d7da020858024ae6cecc65d95c2adbba7339e135b11d17f4577a0df52ef52a76b3bf70ea5ecb04

  • SSDEEP

    768:VYjChiGFs384cu8CDkUX9cV2gQ1XEgaaDTesF5Pa9W/BOwhr3su9:sCNFs384cu889cVJMXWaZF49WJOwJV9

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

9tGtRdYFdqtDOMr1

Attributes
  • Install_directory

    %AppData%

  • install_file

    winconfig.exe

  • pastebin_url

    https://pastebin.com/raw/aVpjakPZ

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      41KB

    • MD5

      238c543e188e55b1270ba6a19ea64744

    • SHA1

      d1757ef39eb202f63ce852a6d22128aa05e6b4d1

    • SHA256

      9de66e3b9fd4a3272eeb379868e2cb3c627d3fa30a2c171dceaa91464378aa83

    • SHA512

      f529cefecf2c6ab4a6dbb8e72912bd3e96db68cb696c650c74d7da020858024ae6cecc65d95c2adbba7339e135b11d17f4577a0df52ef52a76b3bf70ea5ecb04

    • SSDEEP

      768:VYjChiGFs384cu8CDkUX9cV2gQ1XEgaaDTesF5Pa9W/BOwhr3su9:sCNFs384cu889cVJMXWaZF49WJOwJV9

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks