At the heels of a other ATM malware revelations such as Padpin aka Tyupkin, Plotus and Suceful, we present to you another tool in the criminals arsenal we call GreenDispenser. This talk will delve in to the various techniques used by this malware to interact with the XFS middleware and aid a heist. The malware also brings its own uniqueness with a QR code based authentication mechanism which we will dissect.