HAPPYWORK

MITRE

Malware Type:
Other

First seen:
Unknown

Last seen:
Unknown

Details:

[HAPPYWORK](https://attack.mitre.org/software/S0214) is a downloader used by [APT37](https://attack.mitre.org/groups/G0067) to target South Korean government and financial victims in November 2016. (Citation: FireEye APT37 Feb 2018)

Associated Techniques (3)

ID	ATT&CK	Tactics
T1033	System Owner/User Discovery	-
T1082	System Information Discovery	-
T1105	Ingress Tool Transfer	-

Used by Actors (1)

APT37
Nation-state

Metadata

ID:	86
Created:	13/01/2026 17:48
Updated:	06/03/2026 16:00