General

  • Target

    af6abc818434e7e0fb9205d31918243b17d843c38e3148ec78172fb6a9d2d807

  • Size

    238KB

  • Sample

    250119-hcelsaylgv

  • MD5

    a3f033788623e354934c5bd0d2e532ab

  • SHA1

    0356845c39af18ffbc03b1262278badcd8875437

  • SHA256

    af6abc818434e7e0fb9205d31918243b17d843c38e3148ec78172fb6a9d2d807

  • SHA512

    bfb042dcdc18e9af463140f134de3e349561f8f70c31864686a759683838cef0011337394ee19d0f0cdfd62cacb40bbc165afc8232213f64a11f3b15cf17d4d5

  • SSDEEP

    6144:VJW3bxeS3krUhcX7elbKTua9bfF/H9d9n:4eSUr3X3u+

Malware Config

Extracted

Family

xworm

C2

45.141.27.242:7777

Attributes
  • Install_directory

    %Temp%

  • install_file

    conhost.exe

Targets

    • Target

      af6abc818434e7e0fb9205d31918243b17d843c38e3148ec78172fb6a9d2d807

    • Size

      238KB

    • MD5

      a3f033788623e354934c5bd0d2e532ab

    • SHA1

      0356845c39af18ffbc03b1262278badcd8875437

    • SHA256

      af6abc818434e7e0fb9205d31918243b17d843c38e3148ec78172fb6a9d2d807

    • SHA512

      bfb042dcdc18e9af463140f134de3e349561f8f70c31864686a759683838cef0011337394ee19d0f0cdfd62cacb40bbc165afc8232213f64a11f3b15cf17d4d5

    • SSDEEP

      6144:VJW3bxeS3krUhcX7elbKTua9bfF/H9d9n:4eSUr3X3u+

    • 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