"Suspicious Process - APT29 Related Binary Executed" Investigation

We had an investigation opened with this finding for MS Word (WinWord.exe) started via explorer.exe. Can someone shed some light on “Suspicious Process - APT29 Related Binary Executed”?

Hello!

If you navigate to the “Detection Rules” section, you can search for all detections available to you.

This particular alert is based on a threat feed from Thread Command, where an alert fires if there is a file being executed whose hash is included in the Threat Command Threat Library.
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He reinstalled Windows yesterday using the Windows recovery option. The tool downloaded all of the necessary files for a clean install. When it was done, he reinstalled the Rapid7 agent and it wasn’t long after that it was flagged again.