General

  • Target
    https://github.com/Cryakl/Ultimate-RAT-Collection/tree/main/XWorm/Mods/XWorm%20Enhanced%20V6.5.1
  • Sample260629-sshngsgw5t

Malware Config

Extracted

Family
  • xworm

Mutex
  • ml3CBOr9EgYH7Vo7

Attributes
  • Install_directory

    %Public%

  • install_file

    XWormClient.exe

  • localhost

    127.0.0.1

aes.plain

Targets

    • Target
      https://github.com/Cryakl/Ultimate-RAT-Collection/tree/main/XWorm/Mods/XWorm%20Enhanced%20V6.5.1
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Modifies WinLogon for persistence

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Uses the VBS compiler for execution

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Contacts third-party web service commonly abused for C2

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v16

Tasks