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The Hivemind

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Ricochet Chollima Using KoSpy Android Spyware

Mar 17, 2025 1:34:36 PM / by The Hivemind posted in Threat Bulletin, Espionage, North Korea, Android, Spyware, Ricochet Chollima, KoSpy, APT37

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Executive Summary

KoSpy is a sophisticated Android spyware linked to North Korean threat actor Ricochet Chollima. It has been targeting Korean and English-speaking users since March 2022.

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Sidewinder Using New Tools to Target Maritime and Nuclear Sectors

Mar 14, 2025 3:14:11 PM / by The Hivemind posted in Threat Bulletin, Sidewinder, TTPs, Nuclear, Evolving Threat, Maritime

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Verticals Targeted: Maritime, Nuclear

Executive Summary

SideWinder, an APT group thought to be of Indian nexus, was recently observed using new TTPs and expanding their targeting to include entities in the maritime and nuclear energy sectors.

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Lotus Panda Uses Sagerunex to Target Multiple Verticals

Mar 10, 2025 2:08:01 PM / by The Hivemind posted in Threat Bulletin, Espionage, China, Lotus Panda, Lotus Blossom, Sagerunex

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Verticals Targeted: Government, Telecommunications, Media, Manufacturing 

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Ransomware Attacks Ramping Up in the Middle East

Mar 7, 2025 1:47:01 PM / by The Hivemind posted in Threat Bulletin, Middle East, Ransomware, LockBit, RansomHub, DragonForce

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Related Families: DragonForce, RansomHub, LockBit
Verticals Targeted: Construction, Real Estate, Financial 

Executive Summary

Recent industry reporting highlights the ransomware threats faced by various entities in the Middle East. DragonForce ransomware was recently observed targeting a real estate and construction company in Saudi Arabia. However, this is only the tip of the iceberg, as entities in the Middle East, particularly financial services entities in Saudi Arabia and the UAE, are also being heavily targeted by ransomware.

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Silver Fox Targeting Medical Devices

Mar 3, 2025 2:02:05 PM / by The Hivemind posted in Threat Bulletin, China, Evolving Threat, SilverFox, Medical, ValleyRAT

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Related Families: ValleyRAT
Verticals Targeted: Medical

Executive Summary

Chinese threat actor Silver Fox was recently observed targeting medical devices in a sophisticated campaign that delivers multiple malware families, including ValleyRAT.

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Wicked Panda’s RevivalStone Campaign Targets Manufacturing Entities in Japan

Feb 28, 2025 1:03:00 PM / by The Hivemind posted in Threat Bulletin, Wicked Panda, Winnti, RevivalStone

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Verticals Targeted: Manufacturing

Executive Summary

A persistent and sophisticated espionage campaign by the China-linked threat actor group Wicked Panda was observed targeting Japan’s manufacturing sector. The campaign has been dubbed RevivalStone.

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Ghost (Cring) Ransomware

Feb 24, 2025 11:57:27 AM / by The Hivemind posted in Threat Bulletin, Ransomware, Ghost, Cring

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Verticals Targeted: Healthcare, Government, Education, Technology, Manufacturing, SMBs

Executive Summary

Ghost, also known as Cring, is a ransomware family that has been active since at least late 2020. A recent uptick in Ghost activity prompted US agencies to release a joint cybersecurity advisory on Ghost.

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FrigidStealer MacOS Stealer

Feb 21, 2025 1:48:14 PM / by The Hivemind posted in Threat Bulletin, Stealer, Infostealer, MacOS, Emerging Threat, FrigidStealer

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Executive Summary

FrigidStealer is a stealer that targets MacOS devices. It has been active since at least late 2024 and is delivered via web injection campaigns.

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