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Threat Group Cards: A Threat Actor Encyclopedia

Tool: HAPPYWORK

Names	HAPPYWORK
Category	Malware
Type	Downloader, Reconnaissance
Description	(FireEye) HAPPYWORK is a malicious downloader that can download and execute a second-stage payload, collect system information, and beacon it to the command and control domains. The collected system information includes: computer name, user name, system manufacturer via registry, IsDebuggerPresent state, and execution path. In November 2016, HAPPYWORK targeted government and financial targets in South Korea.
Information	<https://www2.fireeye.com/rs/848-DID-242/images/rpt_APT37.pdf>
MITRE ATT&CK	<https://attack.mitre.org/software/S0214/>

Last change to this tool card: 23 April 2020

Download this tool card in JSON format

All groups using tool HAPPYWORK

Changed	Name	Country	Observed
APT groups
	Reaper, APT 37, Ricochet Chollima, ScarCruft		2012-Sep 2024

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

Digital Service Security Center
Electronic Transactions Development Agency

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