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Netskope Threat Research Labs has discovered a new ATM malware, “ATMJackpot.” The malware seems to have originated from Hong Kong and has a time stamp on the binary as 28th March 2018. It is likely that this malware is still under development. Compared with previously-discovered malware, this malware has a smaller system footprint, a very simple graphical user interface as shown in Figure 1 which displays the hostname along with the service provider information such as cash dispenser, PIN pad, and card reader information.
Figure 1: ATM malware GUI
In ATM “Jackpotting” attacks, the malware is installed on the ATM to dispense large amounts of cash. Jackpotting is on the rise as reported here, and similar attacks discovered in early 2014 targeted ATMs across Europe and Russia as reported here and here. Typically, ATM Malware propagates via physical access to the ATM using USB, and also via the network by downloading the malware on to already-compromised ATM machines using sophisticated techniques. Netskope for Web detects the download of this malware as Gen:Variant.Razy.255528.
Technical Analysis:
The ATMJackpot malware first registers the windows class name ‘WIN’ with a window procedure that is responsible for all of the malware activity as shown in Figure 2
