WinMM is a full-featured, simple backdoor used by Naikon. [1]

ID: S0059
Platforms: Windows
Version: 1.1
Created: 31 May 2017
Last Modified: 30 March 2020

Techniques Used

Domain ID Name Use
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

WinMM uses HTTP for C2.[1]

Enterprise T1008 Fallback Channels

WinMM is usually configured with primary and backup domains for C2 communications.[1]

Enterprise T1083 File and Directory Discovery

WinMM sets a WH_CBT Windows hook to search for and capture files on the victim.[1]

Enterprise T1057 Process Discovery

WinMM sets a WH_CBT Windows hook to collect information on process creation.[1]

Enterprise T1082 System Information Discovery

WinMM collects the system name, OS version including service pack, and system install date and sends the information to the C2 server.[1]

Enterprise T1033 System Owner/User Discovery

WinMM uses NetUser-GetInfo to identify that it is running under an "Admin" account on the local system.[1]

Groups That Use This Software

ID Name References
G0019 Naikon