Malware is a variant of the GM Bot Android malware that was released publicly in early 2016. The code appears to have been forked by a second author and has additions that target the Danske Bank MobilePay application and the popular Danish Nem ID two factor authentication (2FA) system. This article shows the process of walking through Static and Dynamic analysis to unlock the packed source code for the malware. The process I followed can be logically broken into the following stages: Public Analysis, Static Analysis, DeX Extraction and De-compilation.”]
Source: http://securityaffairs.co/wordpress/55125/malware/gm-bot-android-malware.html