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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: UNAPIMON

NamesUNAPIMON
CategoryMalware
TypeLoader
Description(Trend Micro) Looking at the behavior of UNAPIMON and how it was used in the attack, we can infer that its primary purpose is to unhook critical API functions in any child process. For environments that implement API monitoring through hooking such as sandboxing systems, UNAPIMON will prevent child processes from being monitored. Thus, this malware can allow any malicious child process to be executed with its behavior undetected.
Information<https://www.trendmicro.com/en_us/research/24/d/earth-freybug.html>

Last change to this tool card: 22 April 2024

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All groups using tool UNAPIMON

ChangedNameCountryObserved

APT groups

     ↳ Subgroup: Earth FreybugChina2012 

1 group listed (1 APT, 0 other, 0 unknown)

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Electronic Transactions Development Agency

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