General

  • Target

    5c9484c214c6f96f2a0a64afa4985f0d5534607ccaec60020cdf013c77531a78

  • Size

    537KB

  • Sample

    250227-2z5w2asvhy

  • MD5

    860d8ceb275dbe815c23d2eb7be82335

  • SHA1

    f2788bacf9aa9961ab5bde20bf2ade879fcdd7f4

  • SHA256

    5c9484c214c6f96f2a0a64afa4985f0d5534607ccaec60020cdf013c77531a78

  • SHA512

    faaa066dcc93d7e3ecc9d222ab39594b113d168ebcf14b7d317810a6bf7f09093273f7f0ca0457320bdc0b101fcfcdbf283bb8c519fb5e269ac62e4f887fde67

  • SSDEEP

    12288:0aa32LOEqkBgU+BHCWGzhCWOcDQWSrRofZuFrJuDb:DLLOUBgjBHCvCXWSNohuZ0Db

Malware Config

Extracted

Family

xworm

C2

176.96.137.181:2222

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient2.exe

Targets

    • Target

      WEN.exe

    • Size

      954KB

    • MD5

      64100e4131cedaf6a889f560bc1e1c9b

    • SHA1

      55f98aa796e01cea2cfd714770d974b9316bd848

    • SHA256

      d4746c577ffb7985fc33252c77365679a6a39b68e4c0f3c60fd27d34a7539ebe

    • SHA512

      ebcd5712c614a57dbb29539c8271b8adb23ab4615aa5b239b8eb59ef8fab458cd20154befcdb7fbdea19e7650ed14a14c8822662ffb70f4dba3e2a4e2d4177ad

    • SSDEEP

      24576:+u6J33O0c+JY5UZ+XC0kGso6FaOYF0DuyKWY:Qu0c++OCvkGs9FaOnqmY

    • Detect Xworm Payload

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • Xenarmor family

    • 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.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks