D
CyberNorth Korea

APT37

State-sponsored cyber threat groupTrackedPending verification

Also known as: InkySquid, ScarCruft, Reaper, Group123, TEMP.Reaper, Ricochet Chollima

CyberPRK
Identification silhouette. Not drawn to scale between entries.
Fact cardConfidence · Source
System
TypeState-sponsored cyber threat group
Alternative designationsInkySquid, ScarCruft, Reaper, Group123, TEMP.Reaper, Ricochet Chollima
ProliferationOrigin country only
Active since2012At least 2012Med[1]
MITRE ATT&CK IDG0067High[1]
Capabilities
ATT&CK techniques used29ATT&CK v20.1High[1]
Malware and toolsBLUELIGHT, Cobalt Strike, CORALDECK, DOGCALL, Final1stspy, HAPPYWORK, KARAE, NavRAT, POORAIM, ROKRAT, SHUTTERSPEED, SLOWDRIFT, WINERACK13 malware and tool entries linked in ATT&CKHigh[1]
Attribution and activity
Attributed sponsorNorth Korean state-sponsoredHigh[1]
TargetsThe group has targeted victims primarily in South Korea, but also in Japan, Vietnam, Russia, Nepal, China, India, Romania, Kuwait, and other parts of the Middle East.Med[1]
Notes
APT37 is a North Korean state-sponsored cyber espionage group that has been active since at least 2012. The group has targeted victims primarily in South Korea, but also in Japan, Vietnam, Russia, Nepal, China, India, Romania, Kuwait, and other parts of the Middle East. APT37 has also been linked to the following campaigns between 2016-2018: Operation Daybreak, Operation Erebus, Golden Time, Evil New Year, Are you Happy?, FreeMilk, North Korean Human Rights, and Evil New Year 2018. North Korean group definitions are known to have significant overlap, and some security researchers report all North Korean state-sponsored cyber activity under the name Lazarus Group instead of tracking clusters or subgroups. Description adapted from MITRE ATT&CK®, © The MITRE Corporation, used under the ATT&CK Terms of Use.
Summary

APT37 is a North Korean state-sponsored cyber espionage group that has been active since at least 2012. The group has targeted victims primarily in South Korea, but also in Japan, Vietnam, Russia, Nepal, China, India, Romania, Kuwait, and other parts of the Middle East.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
North Korea
Sources
  1. APT37, Group G0067, MITRE ATT&CK
    Published/updated 2026-07-31 · Tier 2 · checked 2026-11-08
Change log
  • 2026-11-08 Entry created from MITRE ATT&CK Enterprise v20.1 (group G0067)