General

  • Target

    https://www.infobyip.com/ip-71.181.103.80.html

  • Sample

    241002-vdwynsxarl

Malware Config

Extracted

Family

xworm

C2

45.83.246.140:30120

Attributes
  • Install_directory

    %AppData%

  • install_file

    runtime.exe

Targets

    • Target

      https://www.infobyip.com/ip-71.181.103.80.html

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Downloads MZ/PE file

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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