Security researchers have uncovered one of the most sophisticated ATM heists to date, involving a group of cyber criminals specialized in hacking bank networks using fileless malware, and ATM malware that spits out cash and then self-deletes. These attacks used stealthy techniques that left a minimal footprint on infected servers, investigators weren’t able to detect what the crooks were after. Based on log entries, researchers believe the ATM printed on its screen the words “Catch some money
Source: security