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Suspected APT37 New Attack Weapon Fakecheck Analysis Report

2023-08-25, Knownsec
https://paper.seebug.org/3012/
#APT37 #Fakecheck #CHM

Contents

Author: K&XWS@Knownsec 404 Advanced Threat Intelligence team
Chinese version: https://paper.seebug.org/3011/
1. Summarize
APT37 is suspected to be a state-sponsored attack organization in the peninsula region, also known as ScarCruft, Reaper, RedEye, and Ricochet Chollima. The group has been active since 2012,the primarily targets public organizations and private enterprises in South Korea. In 2017, APT37 expanded its target scope to include industries such as chemicals, electronics, manufacturing, aerospace, automotive, and healthcare in Japan, Vietnam, the Middle East, and other regions.
Recently, the Knownsec 404 Advanced Threat Intelligence team discovered multiple CHM samples carrying malicious scripts during routine analysis activities. Through analysis and tracing the entire attack chain, we named the newly discovered Trojan as Fakecheck. During the analysis process, we found that some security researchers attribute it to APT37. However, based on our team's tracking of APT37's attack activities, the captured sample and TTPs (Tactics, Techniques, and Procedures) are unrelated to the known intelligence on …

IoC

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