Singapore-based Crypto firm BitKeep hit by Dec 26 hack, more than $8 million lost ... "hacker had done so by hijacking and installing code on version 7.2.9 of the APK files available for download on the website"

https://www.straitstimes.com/singapore/singapore-based-crypto-firm-hit-by-boxing-day-hack-more-than-10-million-lost