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APT37 is a North Korean state-sponsored cyber-espionage group primarily focused on South Korean targets. It is also known as ScarCruft, Reaper, Group123, InkySquid, Ricochet Chollima, TA-RedAnt, and Temp.Reaper. The group has targeted South Korean government-related entities, civil-society organizations, journalists, activists, human-rights defenders, diplomats, and policy researchers, particularly those working on North Korea-related issues. APT37 commonly uses spearphishing emails, including malicious Hangul Word Processor attachments, credential-harvesting links, and socially engineered political or policy-themed lures. Its documented malware activity includes the Freenki backdoor, the ZUMKONG browser credential stealer, and ROKRAT-linked campaigns. Reported post-compromise behaviors include collection of host and process information, browser credential theft, download of follow-on malware, scheduled-task persistence, and Registry Run-key persistence. APT37-associated operations have also used malicious Office documents with embedded OLE content and PowerShell-based in-memory execution to deliver payloads.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
57 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
46 malware families attributed to this actor across reporting.
41 additional families tracked in Mallory.
25 CVEs this actor has used in observed campaigns. 25 of them exploited in the wild.
Here are some of them: CVE-2018-4878 — Yes — Flash exploit used by APT37 and Lazarus
APT37 그룹은 과거에도 다양한 취약점을 활용해 공격을 수행했습니다. 대표적으로 인터넷 익스플로러(IE) Zero-Day 취약점이었던 'CVE-2022-41128' 사례가 있습니다. 2022년 10월 말... ‘용산 이태원 사고 대처상황’이라는 공문서를 사칭한 악성 DOCX 문서가 유포됐습니다.
2024-10-16 ⋅ AhnLab and NCSC Release Joint Report on Microsoft Zero-Day Browser Vulnerability (CVE-2024-38178) APT37
ZDI identified nearly 1,000 malicious .lnk files abusing ZDI-CAN-25373 (aka ZDI-25-148), a vulnerability that allows attackers to execute hidden malicious commands on a victim’s machine by leveraging crafted shortcut files.
Here are some of them: CVE-2016-4117 — Yes — Flash exploit used in watering hole attacks
20 more CVEs tied to this actor tracked in Mallory.
790 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Referenced as a possible North Korean attribution lead because the toolkit's C2 domains were labeled as APT37 infrastructure in maltrail.
A North Korean state-sponsored espionage cluster materially connected through C2-infrastructure associations and comparable watering-hole tradecraft; the report does not conclusively attribute this campaign specifically to APT37.
Listed in the detection's Annotations section.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.