General

  • Target
    Xeno.exe
  • Size 3.5MB
  • Sample260930-qztm8azyav
  • SHA256 5a6fc2af764ad62dbaf36eb358045ef372f6bf9bb49b55ed383b096e3ea6724b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Xeno.exe
    • Size 3.5MB
    • SHA256 5a6fc2af764ad62dbaf36eb358045ef372f6bf9bb49b55ed383b096e3ea6724b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Modifies WinLogon for persistence

    • XMRig Miner payload

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Creates new service(s)

    • Cryptocurrency Miner

      Makes network request to known mining pool URL.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v16

Tasks