HAPPYWORK
MITRE ATT&CK: S0214 View on attack.mitre.org
Aliases: HAPPYWORK
- First seen
- 2016-11-01 00:00:00
- Malware type
- downloader
- Family
- Malware family
- Profile updated
- 2026-07-07 13:21:47
Targeted industries: government-and-public-sector financial-services
Targeted regions: country_code:kr
Context
HAPPYWORK is a downloader used by APT37 to target South Korean government and financial victims in November 2016.
Detection coverage
- 130 Sigma rules
Malware & tools used
- System Information Discovery (attack-pattern)
- System Owner/User Discovery (attack-pattern)
- Ingress Tool Transfer (attack-pattern)
Used by threat actors
- APT37 (threat-actor)
Reports & references
- services.google.com — Apt37 Reaper The Overlooked North Korean Actor (report)
- MITRE ATT&CK — S0214 (report)