General

  • Target

    https://cdn.discordapp.com/attachments/1011527674008719441/1124638762731851826/NEXUS_PTO.rar

  • Sample

    230707-gfgpwafc89

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1011527674008719441/1124638762731851826/NEXUS_PTO.rar

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • UPX packed file

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks