Overview

overview

10

Static

static

10

svchost.exe

windows10-1703-x64

10

svchost.exe

windows10-2004-x64

10

svchost.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    svchost.exe
  • Size 82KB
  • Sample240615-3de9xsshqk
  • SHA256 93f6e24c3bdfe319ecfdb392365e005953978c0a22c395039b7ff68748c1ea65
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

C2

  • runderscore00-37568.portmap.host:37568

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

Targets

    • Target
      svchost.exe
    • Size 82KB
    • SHA256 93f6e24c3bdfe319ecfdb392365e005953978c0a22c395039b7ff68748c1ea65
    • 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.

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Tasks