https://www.techradar.com/news/atm-security-still-running-windows-xp
https://www.itproportal.com/news/security-firms-warn-that-most-atms-still-run-windows-xp/
https://www.theregister.co.uk/2018/11/14/atm_security_lousy/
https://nakedsecurity.sophos.com/2018/11/16/how-to-rob-an-atm-let-me-count-the-ways/
Maybe those ATMs run POSREADY 2009 or Windows XP with the Posready trick.