Resubmissions

20/06/2024, 17:22

240620-vxtbwstark10

20/06/2024, 16:57

240620-vggcdsscqm10

General

  • Target
    infected.exe
  • Size 76KB
  • Sample240620-vxtbwstark
  • SHA256 a0f69b466322e4b95af9d008e4ee9e758dedb3b27a5c6a50d4361ccdd88c3ae1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • sebeee-39917.portmap.io:39917

Attributes
  • Install_directory

    %AppData%

  • install_file

    RuntimeBroker.exe

Targets

    • Target
      infected.exe
    • Size 76KB
    • SHA256 a0f69b466322e4b95af9d008e4ee9e758dedb3b27a5c6a50d4361ccdd88c3ae1
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • 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