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APT 037

Suspected attribution: North Korea

Target sectors: Primarily South Korea – though also Japan, Vietnam and the Middle East – in various industry verticals, including chemicals, electronics, manufacturing, aerospace, automotive, and healthcare.


Associated malware: SHUTTERSPEED, DOGCALL, KARAE, POORAIM, WINERACK

Overview: Our analysis of APT37’s (aka Group123) recent activity reveals that the group’s operations are expanding in scope and sophistication, with a toolset that includes access to zero-day vulnerabilities and wiper malware. We assess with high confidence that this activity is carried out on behalf of the North Korean government given malware development artifacts and targeting that aligns with North Korean state interests. FireEye iSIGHT Intelligence believes that APT37 is aligned with the activity publicly reported as Scarcruft and Group123.

Associated malware: A diverse suite of malware for initial intrusion and exfiltration. Along with custom malware used for espionage purposes, APT37 also has access to destructive malware.

Attack vectors: Social engineering tactics tailored specifically to desired targets, strategic web compromises typical of targeted cyber espionage operations, and the use of torrent file-sharing sites to distribute malware more indiscriminately. Frequent exploitation of vulnerabilities in Hangul Word Processor (HWP), as well as Adobe Flash. The group has demonstrated access to zero-day vulnerabilities (CVE-2018-0802), and the ability to incorporate them into operations.