Threat Actor Profile
Description
APT37is 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.APT37has 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.[1][2][3] North Korean group definitions are known to have significant overlap, and some security researchers report all North Korean state-sponsored cyber activity under the nameLazarus Groupinstead of tracking clusters or subgroups.
Confidence Score
Tags
First Seen
Unknown
Last Updated
April 29, 2026
18 hours, 42 minutes ago
Active Status
ActiveCreated
April 29, 2026
MITRE ATT&CK Techniques (25)
Indicators of Compromise
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IOC KQL for Sentinel
STIX Data
{'aliases': [],
'description': 'APT37is 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.APT37has 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.[1][2][3] North Korean group definitions are known '
'to have significant overlap, and some security researchers '
'report all North Korean state-sponsored cyber activity under '
'the nameLazarus Groupinstead of tracking clusters or '
'subgroups.',
'external_references': [{'external_id': 'G0067',
'source_name': 'mitre-attack',
'url': 'https://attack.mitre.org/groups/G0067/'}],
'id': 'threat-actor--G0067',
'metadata': {'crawled_at': '2026-04-29T14:32:48.411140+00:00',
'mitre_group_id': 'G0067',
'page_title': 'APT37, InkySquid, ScarCruft, Reaper, Group123, '
'TEMP.Reaper, Ricochet Chollima, Group G0067 | '
'MITRE ATT&CK®'},
'name': 'APT37',
'type': 'threat-actor'}