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The dropper module is used to install two executables that pretend to be legitimate files belonging to Microsoft Windows OS. One of these files (%SYSTEM%\WmiPrvMon.exe) is registered as a service and is used as a launcher for the second executable. This second executable (%SYSTEM%\wmimon.dll) has the functionality of a remote shell and can be considered the main payload of the attack. Attributed to: [Unnamed group].