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#CyberAttack

30 posts20 participants2 posts today
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OTX Bot

CrazyHunter: The Rising Threat of Open-Source Ransomware

A ransomware attack on Mackay Memorial Hospital in Taiwan highlights the growing use of publicly available offensive tools by threat actors. The CrazyHunter ransomware, built using the Prince Ransomware builder from GitHub, encrypted over 600 devices across two hospital branches. The attack, likely initiated via a USB device, employed various tools for defense evasion, encryption, and lateral movement. The threat actor used a vulnerable Zemana driver to disable security products, utilized the Prince Ransomware builder for file encryption, and leveraged SharpGPOAbuse for lateral movement. The incident demonstrates the increasing accessibility of cyber attack tools, enabling even less skilled actors to launch sophisticated attacks. This trend poses significant challenges for attribution and defense against ransomware threats.

Pulse ID: 67f4fae37154dd3c27358f82
Pulse Link: otx.alienvault.com/pulse/67f4f
Pulse Author: AlienVault
Created: 2025-04-08 10:30:59

Be advised, this data is unverified and should be considered preliminary. Always do further verification.

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#CyberAttack#CyberSecurity#Encryption
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