Once considered a loader for other malware, Valak regularly conducts reconnaissance and steals information and credentials, new analysis shows.
Over the past six months, a surge of development activity on a malicious program known as Valak — traditionally used for loading other malware on compromised systems — has transformed the software into a tool for reconnaissance and the stealing of credentials and other sensitive information, according to new analysis by Cybereason.
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The developers behind the malware have released more than 20 different versions in the past six months, turning the program into a multistage modular framework that can be upgraded with additional functionality through plug-ins. First discovered in late 2019, Valak focuses on administrators on enterprise networks and specifically targets Microsoft Exchange servers, says Assaf Dahan, head of threat research at Cybereason, a threat-protection firm.
Read more: Dark Reading
