The malware FASTCash tampers with switch messages received from card issuers during a financial transaction, changing denials into approvals. The systems targeted often have misconfigurations preventing message authentication mechanisms from detecting tampered messages as fraudulent. The group responsible, BeagleBoyz, is a subset of North Korean-backed group HiddenCobra, which has attempted to steal nearly $2 billion since 2015 by disrupting critical banking systems.
North Korea Hackers Get Cash Fast in Linux Cyber Heists
North Korean hackers are using the ‘FASTCash’ malware, which targets Linux systems, to infiltrate banks and illicitly withdraw money in Turkish currency by modifying ISO
