Overview

overview

10

Static

static

10

XClient.exe

windows7-x64

10

XClient.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    XClient.exe
  • Size 89KB
  • Sample240607-yslyssce8w
  • SHA256 63730a732cf8a13d267b0c5dccf0dd9f5e3a5c19cbc67bc21d59fdeba3d9e17f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

C2

  • 127.0.0.1:13678:33365

  • 192.168.100.78:33365

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target
      XClient.exe
    • Size 89KB
    • SHA256 63730a732cf8a13d267b0c5dccf0dd9f5e3a5c19cbc67bc21d59fdeba3d9e17f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • 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

      persistence

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks