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MoonstoneSleet

2024-05-28, Microsoft
Moonstone Sleet emerges as new North Korean threat actor with new bag of tricks
"Microsoft has identified a new North Korean threat actor, now tracked as Moonstone Sleet (formerly Storm-1789), which combines tried-and-true techniques used by other North Korean threat actors with unique attack methodologies to target companies for financial and cyberespionage objectives. Moonstone Sleet sets up fake companies and job opportunities to engage with potential targets, employs trojanized versions of legitimate tools, creates fully functional malicious games, and delivers custom ransomware."

- CyberMaterial, https://cybermaterial.com/moonstone-sleet-storm-1789-threat-actor/

Also known as

 
Name Named by AKA First seen Last seen
DiamondSleet Microsoft Zinc 2023-04-19 2024-02-27
MoonstoneSleet Microsoft DiamondSleet 2024-05-28 2025-03-06
Storm-1789 Microsoft MoonstoneSleet 2024-05-28 2024-05-28
StressedPungsan Datadog MoonstoneSleet 2024-07-31 2024-08-01

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