General

  • Target

    XClient.exe

  • Size

    69KB

  • Sample

    240901-l25q2sxerm

  • MD5

    7fa99ccbea8ecaf80ed87ebdb44c17dd

  • SHA1

    e2f29018810fbf56a5e475a187d749f3adbbc0a7

  • SHA256

    48d709a89f1ede2666185789ae0747f90139d7d46687d05cb6d17e45a3fea965

  • SHA512

    39165c4fc25403823d124e43022ca8fa78e643204885024ff9c0f96b9d3f021ec44287f5080b7115e68e8c254627660512d2430e4e68bbe6b778607e7f4a9d83

  • SSDEEP

    1536:yc52LJ8cdIA01NxTZ6BYjmzJibJ+bQzAxAS91mb6uLO1X5g:d5WJpb0NTABXzk+bQzE+LO1Xu

Malware Config

Extracted

Family

xworm

C2

brands-colors.gl.at.ply.gg:28379

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    svchost.exe

Targets

    • Target

      XClient.exe

    • Size

      69KB

    • MD5

      7fa99ccbea8ecaf80ed87ebdb44c17dd

    • SHA1

      e2f29018810fbf56a5e475a187d749f3adbbc0a7

    • SHA256

      48d709a89f1ede2666185789ae0747f90139d7d46687d05cb6d17e45a3fea965

    • SHA512

      39165c4fc25403823d124e43022ca8fa78e643204885024ff9c0f96b9d3f021ec44287f5080b7115e68e8c254627660512d2430e4e68bbe6b778607e7f4a9d83

    • SSDEEP

      1536:yc52LJ8cdIA01NxTZ6BYjmzJibJ+bQzAxAS91mb6uLO1X5g:d5WJpb0NTABXzk+bQzE+LO1Xu

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • XenArmor Suite

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

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Checks computer location settings

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

    • 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.

    • UPX packed file

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks