Prevailion Blog

Executive Summary

Prevailion’s Tailored Intelligence Team has detected two new criminal campaigns targeting the global financial industry with the EVILNUM malware, one of which became active on May 3rd 2020. We have dubbed these new operations “Phantom in the [Command] Shell”.

In these engagements, the attack begins when a victim is enticed into following a link to a file hosted on a well known, widely-used cloud provider - unaware that email filters are unlikely to block the domain, and the provider will trust their own links enough that a scan is unlikely. Once engaged, the victim’s device downloads a compressed folder that contains trojanized files. This is a user-initiated infection; meant to appear as a…