General

  • Target
    657e417b1abf239d1276a4ce7dc00c7f3c4619c6c372f638620b15d1edbf5e1f.bin
  • Size 18.4MB
  • Sample260826-sn9leafl2y
  • SHA256 657e417b1abf239d1276a4ce7dc00c7f3c4619c6c372f638620b15d1edbf5e1f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

Mutex
  • rqJEIc8ioUZ6x4kq

Attributes
  • install_file

    USB.exe

  • localhost

    127.0.0.1

aes.plain

Targets

    • Target
      Client-Boots.exe
    • Size 36KB
    • SHA256 2f00f68dd856606a8515d4b9fb6dbeff61e4d5f90b81f2c82fd91c30556b14ae
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Target
      Unname-Bootsfps.exe
    • Size 18.5MB
    • SHA256 20dddf2030677bbff03386edbd4249ab38a16ad15decccb063feeb4993c119fa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: LunaStealer

      LunaStealer is an infostealer written in Python and packaged with Pyinstaller.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

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

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Disables automatic submission of suspicious files to Microsoft by Windows Defender

      Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

    • Loads dropped DLL

    • Prevents Microsoft Defender from scanning certain paths by adding an exclusion.

      Uses the Powershell Add-MpPreference cmdlet to exclude paths from being scanned by Microsoft Defender.

    • Reads user/profile data of web browsers

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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks