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General

  • Target

    http://economy-simulator.com

  • Sample

    221219-z343ssbc5s

Malware Config

Targets

    • Target

      http://economy-simulator.com

    • Modifies system executable filetype association

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Registers COM server for autorun

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks