Abstract
Throughout its eight-year history, Emotet has caused substantial damage. This threat reappeared at the beginning of 2022 following a take-down by law enforcement in November 2021. Emotet is arguably one of the most notorious advanced persistent threats, causing substantial damage during its earlier phases and continuing to pose a danger to organizations everywhere. In this article, we present a longitudinal study of several waves of Emotet-based attacks that we observed in VMware’s customer telemetry. By analyzing Emotet’s software development life cycle, we were able to dissect how it quickly changes its command and control (C2) infrastructure, obfuscates its configuration, adapts and tests its evasive execution chains, deploys different attack vectors at different stages, laterally propagates, and continues to evolve using numerous tactics and techniques.
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