Morphisec Discovers New Fileless Attack Framework that appears to be connected to various recent, much discussed attack campaigns. The threat actor group behind this attack is likely the same one that carried out the DNS PowerShell messenger attack discovered by Talos on March 3rd. A single group of threat actors is responsible for many of the most sophisticated attacks on financial institutions, government organizations and enterprises over the past few months. The malware resides solely in memory and commands are delivered directly from the Internet, making it basically invisible.”]
Source: https://blog.morphisec.com/fileless-attack-framework-discovery