General

  • Target
    Nix.exe
  • Size 22.4MB
  • Sample260710-cbwwsacz8z
  • SHA256 7ee796a8fef94d38a6ef3d906fe3d37052b5b6c2435420dcc75e459fbc501a68
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V6.0

C2
  • SKYF1132-62070.portmap.host:62070

Attributes
  • install_file

    USB.exe

  • localhost

    127.0.0.1

Targets

    • Target
      Nix.exe
    • Size 22.4MB
    • SHA256 7ee796a8fef94d38a6ef3d906fe3d37052b5b6c2435420dcc75e459fbc501a68
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

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

    • Command and Scripting Interpreter: PowerShell

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

    • 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

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v16

Tasks