a basic server emulator for an unnamed North Korean ransomware (now known as SHATTEREDGLASS) attributed to Andariel.
https://malpedia.caad.fkie.fraunhofer.de/details/win.shatteredglass
https://securelist.com/andariel-evolves-to-target-south-korea-with-ransomware/102811/
https://cloud.google.com/blog/topics/threat-intelligence/apt45-north-korea-digital-military-machine
Sadly that's all.