General

  • Target

    XClient (1).exe

  • Size

    41KB

  • Sample

    250125-jmtdcsvkem

  • MD5

    8ac12cc24b5ac76188fe9612dc51777e

  • SHA1

    0c0dddf34dbf7b95e82c58fdb7cfabb80db90430

  • SHA256

    e53bd0b8797b8c0cc32875dba3469b938eb8d1c3812b2829378cdb7d40b62654

  • SHA512

    02c4abdc825b0d3b9a88a1d66232d6f42497b7d83c6bfc473df8efbc0350371653d3ce220409aa5968cf71396ec230dea52e3793085d1f06d2338e4360c8bc93

  • SSDEEP

    768:LrJDweBDuOkScrbsN/x6WECAr43MkfJF5Pa9p+U6iOwhF3/ibK:pDwewicrbsN/YDRr4RF49IU6iOwv6G

Malware Config

Extracted

Family

xworm

Version

5.0

C2

57.128.132.221:7000

Mutex

A0pVR4huor1J3yZ3

Attributes
  • Install_directory

    %AppData%

  • install_file

    Win32runtime.exe

aes.plain

Targets

    • Target

      XClient (1).exe

    • Size

      41KB

    • MD5

      8ac12cc24b5ac76188fe9612dc51777e

    • SHA1

      0c0dddf34dbf7b95e82c58fdb7cfabb80db90430

    • SHA256

      e53bd0b8797b8c0cc32875dba3469b938eb8d1c3812b2829378cdb7d40b62654

    • SHA512

      02c4abdc825b0d3b9a88a1d66232d6f42497b7d83c6bfc473df8efbc0350371653d3ce220409aa5968cf71396ec230dea52e3793085d1f06d2338e4360c8bc93

    • SSDEEP

      768:LrJDweBDuOkScrbsN/x6WECAr43MkfJF5Pa9p+U6iOwhF3/ibK:pDwewicrbsN/YDRr4RF49IU6iOwv6G

    • 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.

    • Deletes itself

    • Drops startup file

    • 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