Silence: Moving into the darkside

The document presents a comprehensive threat intelligence assessment of the Silence APT group, outlining its evolution from 2016 to 2018, its self-developed toolset (Silence, Atmosphere, Silence.Downloader, ProxyBot, SurveillanceModule, and Kikothac backdoors), and its financially-driven campaigns targeting banks, ATMs, and card processing. It describes phishing-based intrusion, lateral movement, remote access, ATM cash-out mechanics, and C2 architectures across regional targets, including Russia, Ukraine, Belarus, and several European countries, with extensive technical details, indicators, and observed operational patterns intended to aid detection and defense.