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The analytic detects Microsoft OneNote spawning `mshta.exe`, a behavior often associated with spearphishing attacks. This activity is significant as it is commonly used by malware families like TA551, AsyncRat, Redline, and DCRAT to execute malicious scripts. If confirmed malicious, this could allow attackers to execute arbitrary code, potentially leading to data exfiltration, system compromise, or further malware deployment. Immediate investigation and containment are recommended.
KQL Query from file: MDE KQL to detect TA571 socialengineering abuse
This query searches for the HASHs of the FireEye Red Team tools compromised by the Nobelium activity group.
See all-hashes.csv on the official FireEye repo.
References:
https://github.com/fireeye/red_team_tool_countermeasures/blob/master/all-hashes.csv
https://github.com/fireeye
See all-hashes.csv on the official FireEye repo.
References:
https://github.com/fireeye/red_team_tool_countermeasures/blob/master/all-hashes.csv
https://github.com/fireeye
