General

  • Target

    XWorm.exe

  • Size

    248KB

  • Sample

    240527-lt6y5sff2s

  • MD5

    b1534015cbe713e13efc7d016219ad61

  • SHA1

    132526e2727cc3ada220c2ece52d5f6e59cc7ca6

  • SHA256

    31800ebdfe2ec7b3847c064281aeaec2586cd8e76d88e662364dcee4c5ee45b3

  • SHA512

    6422eba622c571fd12de0f3b0cb54b8ba3d3adf804302023b53b9363adb13518f9aa9b4828dd1435d994390a6b7a1f8123dc06d2a44f22a2e12b79e579da00d0

  • SSDEEP

    6144:LjuPwi6rXbedD8UhcX7elbKTua9bfF/H9d9n:HuP7JdD83X3u+

Malware Config

Extracted

Family

xworm

C2

0.tcp.eu.ngrok.io:10438

Attributes
  • Install_directory

    %AppData%

  • install_file

    svhost.exe

Targets

    • Target

      XWorm.exe

    • Size

      248KB

    • MD5

      b1534015cbe713e13efc7d016219ad61

    • SHA1

      132526e2727cc3ada220c2ece52d5f6e59cc7ca6

    • SHA256

      31800ebdfe2ec7b3847c064281aeaec2586cd8e76d88e662364dcee4c5ee45b3

    • SHA512

      6422eba622c571fd12de0f3b0cb54b8ba3d3adf804302023b53b9363adb13518f9aa9b4828dd1435d994390a6b7a1f8123dc06d2a44f22a2e12b79e579da00d0

    • SSDEEP

      6144:LjuPwi6rXbedD8UhcX7elbKTua9bfF/H9d9n:HuP7JdD83X3u+

    • Detect Xworm Payload

    • 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.

    • 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