Silence group targeting Russian Banks via Malicious CHM

In November 2018 we followed up on a tweet mentioning a potential malicious code disseminated in CHM (Microsoft Compiled HTML Help). A preliminary analysis caught the attention of our Threat Analysis and Intelligence team as it yielded interesting data that, among other things, shows that the attack campaign was targeting employees from financial entities, specifically …

Ursnif reloaded: tracing the latest trojan campaigns

On the 9th of October our customers started reporting the same kind of incident over the span of a few hours. The identified activity appears to be linked to the banking Trojan Ursnif, a long active malware, whose roots can be traced back to 2007 together with ZeuS and SpyEye, still with strong infection capabilities in …

Dridex Downloader Tries New Sandbox-Evasion Techniques

Dridex is currently one of the most active and widespread banking malware. Like Locky ransomware also Dridex is dispatched through a massive spam mail campaign that uses the Necurs botnet. Our sensors have long been tracking these spam campaigns and recent captured emails contain a Word document that drops Dridex. In our latest samples we have observed a delay on execution of the …

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