The Evolution of Upatre and Dyre

Over the last few months, we’ve been tracking Dyre and reporting changes to the malware on this blog.  Dyre’s latest iteration shows  yet another shift in tactics – one that combines characteristics of Dyre with Upatre code to create a new downloader… Figures 1, 2, 3 and 4 shows three different emails, all with the same content but with different malicious links, which we we’ll use interchangeably in our examples.