Analysis Report on Malware Distributed via Microsoft OneNote

This document is an analysis report on malware that is being actively distributed using Microsoft OneNote.

The ASEC analysis team identified the rapidly increasing trend of OneNote malware distribution from November 2022 and has classified the malware according to the level of intricacy based on the screen that appears when the file is actually opened. These categories include ‘1) The type where malicious objects are hidden with simple block images’ and ‘2) The more intricately created malicious OneNote types’. …

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