Kazu
Intelligence Profile
Kazu is a financially motivated ransomware group known for employing a double extortion model, targeting sectors such as healthcare and government. The group has claimed responsibility for multiple high-profile breaches, including those of Manage My Health and the Defensoría del Pueblo de Colombia, exfiltrating sensitive data through techniques like exploiting unpatched vulnerabilities and credential reuse. Kazu has demanded ransoms ranging from $60,000 to $500,000, threatening public disclosure of stolen data if payments are not made. Their operations have primarily focused on entities in Latin America, Asia, and the Middle East, with a notable presence on dark web leak sites.
Threat Analysis
Kazu is a high-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of financial.
Financially motivated threat actors like Kazu prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.
With high sophistication, Kazu is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.
Ransomware Victims (46)
CTIWATCH tracks 46 organizations claimed as victims by Kazu on its data leak site, with attack dates, sectors and countries.
View full victims list →