#1 Emotet - 36,026 samples
https://www.bleepingcomputer.com/news/security/emotet-reigns-in-sandboxs-top-malware-threats-of-2019/
Any.Run, a public service that allows interaction with malware running in a sandbox for analysis purposes, compiled a list with the top 10 most prevalent threats uploaded to the platform. At the head of the list is Emotet.
The top includes malware designed to steal all sorts of sensitive information, banking details included, and remote access tools (RAT) that allow control over a compromised host.