General

  • Target
    XClient.exe
  • Size 30KB
  • Sample260414-dct91set4w
  • SHA256 d9c2646994d741962b8baadd890a2acb2fd1becb217cc0a6bc9f2155662c6915
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

C2
  • subscript-breadth.with.playit.plus:1073

Mutex
  • CGjzT0CboUGQq8a3

aes.plain

Targets

    • Target
      XClient.exe
    • Size 30KB
    • SHA256 d9c2646994d741962b8baadd890a2acb2fd1becb217cc0a6bc9f2155662c6915
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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

    • Family: XenArmor Suite

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

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Modifies Windows Firewall

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • 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.

    • Stops running service(s)

    • Accesses Microsoft Outlook accounts

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks