The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new wave of social engineering campaigns delivering IcedID malware and leveraging Zimbra exploits with the goal of stealing sensitive information.
Attributing the IcedID phishing attacks to a threat cluster named UAC-0041, the agency said the infection sequence begins with an email containing a Microsoft Excel document (Мобілізаційний реєстр.xls or Mobilization Register.xls) that, when opened, prompts the users to enable macros, leading to the deployment of IcedID.
The information-stealing malware, also known as BokBot, has followed a similar trajectory to that of TrickBot, Emotet, and ZLoader, evolving from its earlier roots as a banking trojan to a full-fledged crimeware service that facilities the retrieval of next-stage implants such as ransomware.
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The incursions are a continuation of malicious cyber activities targeting Ukraine since the start of the year. Recently, CERT-UA also disclosed that it had foiled a cyberattack by Russian adversaries to sabotage the operations of an unnamed energy provider in the country.