Overview

overview

10

Static

static

10

windxten.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    windxten.exe

  • Size

    1.4MB

  • Sample

    241129-n1l9esymbl

  • MD5

    70487c862739b4c07713647d669c1a27

  • SHA1

    82f8f407ed9444262baa6a914fbeec3a51f83652

  • SHA256

    0ead901357740bc3954c78cffff8d51611da7f9ddcc60fedc29cfc0a5611039d

  • SHA512

    a1f8a06391a1930312d4963773ab9c80b8fd40e8ede1469ce090fc56f8e71bf7cd1768762476f8f168986945b4d32614a2ee82fca5a748ba2873b7c22086b9da

  • SSDEEP

    24576:vnsJ39LyjbJkQFMhmC+6GD9n3/g8cUWDyTGLAeNzMnF124VsODEwKZ6:vnsHyjtk2MYC5GDt3/qBNLAe9MF12zBM

Score
10/10
xredxwormbackdoordiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

xworm

C2

45.141.27.213:7000

45.141.26.214:7000
Attributes
  • Install_directory

    %ProgramData%

  • install_file

    XClient.exe

Targets

    • Target

      windxten.exe

    • Size

      1.4MB

    • MD5

      70487c862739b4c07713647d669c1a27

    • SHA1

      82f8f407ed9444262baa6a914fbeec3a51f83652

    • SHA256

      0ead901357740bc3954c78cffff8d51611da7f9ddcc60fedc29cfc0a5611039d

    • SHA512

      a1f8a06391a1930312d4963773ab9c80b8fd40e8ede1469ce090fc56f8e71bf7cd1768762476f8f168986945b4d32614a2ee82fca5a748ba2873b7c22086b9da

    • SSDEEP

      24576:vnsJ39LyjbJkQFMhmC+6GD9n3/g8cUWDyTGLAeNzMnF124VsODEwKZ6:vnsHyjtk2MYC5GDt3/qBNLAe9MF12zBM

    Score
    10/10
    xredxwormbackdoordiscoveryexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Xred family

      xred

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Xworm family

      xworm

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks