General

  • Target

    6f8ffa3bd73d59f63ba0c8825e1ff2d9a55607e5ac8cd524350a6c4f51b28675

  • Size

    298KB

  • Sample

    241113-25myea1dkh

  • MD5

    d908287270d335c7367de6fb6fa3fc88

  • SHA1

    bc824dfb5b888d7a2f9dcd4eee6c70a4b60d6fc1

  • SHA256

    6f8ffa3bd73d59f63ba0c8825e1ff2d9a55607e5ac8cd524350a6c4f51b28675

  • SHA512

    0a591375294b4cccc619a7a9fd4edcc25c5ddaade7e08225b63e03ecef3b6124580366c8b8552744e60572cbcfc9ad759b16a1b8487feadc5ac73c48185d2012

  • SSDEEP

    3072:pzFFqjpK3+yPKbWNtYjV/cPftqOjD1G3F/ibuNL:pzFFSKOyybWrYjOPFj

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:1604

Attributes
  • Install_directory

    %AppData%

  • install_file

    System.exe

Targets

    • Target

      6f8ffa3bd73d59f63ba0c8825e1ff2d9a55607e5ac8cd524350a6c4f51b28675

    • Size

      298KB

    • MD5

      d908287270d335c7367de6fb6fa3fc88

    • SHA1

      bc824dfb5b888d7a2f9dcd4eee6c70a4b60d6fc1

    • SHA256

      6f8ffa3bd73d59f63ba0c8825e1ff2d9a55607e5ac8cd524350a6c4f51b28675

    • SHA512

      0a591375294b4cccc619a7a9fd4edcc25c5ddaade7e08225b63e03ecef3b6124580366c8b8552744e60572cbcfc9ad759b16a1b8487feadc5ac73c48185d2012

    • SSDEEP

      3072:pzFFqjpK3+yPKbWNtYjV/cPftqOjD1G3F/ibuNL:pzFFSKOyybWrYjOPFj

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • 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