Overview

overview

10

Static

static

1

XClient.bat

windows10-2004-x64

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General

  • Target
    XClient.bat
  • Size 495KB
  • Sample240604-s52bcsce27
  • SHA256 091d16790e9d44f6cc81e9e71db97863f0094de285b777c8a6abc6efdca2ff1d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • pa-nitrogen.gl.at.ply.gg:62957

Mutex

  • bPfKtLDEyKpQvXwZ

Attributes
  • Install_directory

    %Public%

  • install_file

    System.exe

aes.plain

Targets

    • Target
      XClient.bat
    • Size 495KB
    • SHA256 091d16790e9d44f6cc81e9e71db97863f0094de285b777c8a6abc6efdca2ff1d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Blocklisted process makes network request

    • 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.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks