Microsoft says that an Emotet infection was able to take down an organization's entire network by maxing out CPUs on Windows devices and bringing its Internet connection down to a crawl after one employee was tricked to open a phishing email attachment.
"After a phishing email delivered Emotet, a polymorphic virus that propagates via network shares and legacy protocols, the virus shut down the organization’s core services,"
DART said.
"The virus avoided detection by antivirus solutions through regular updates from an attacker-controlled command-and-control (C2) infrastructure, and spread through the company’s systems, causing network outages and shutting down essential services for nearly a week."
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