Case Study: From BazarLoader to Network Reconnaissance

BazarLoader is Windows-based malware spread through various methods involving email. These infections provide backdoor access that criminals use to determine whether the host is part of an Active Directory (AD) environment. If so, criminals deploy Cobalt Strike and perform reconnaissance Read More …

Microsoft MSHTML Flaw Exploited by Ryuk Ransomware Gang

Criminals behind the Ryuk ransomware were early exploiters of the Windows MSHTML flaw, actively leveraging the bug in campaigns ahead of a patch released by Microsoft this week. Collaborative research by Microsoft and RiskIQ revealed campaigns by Ryuk threat actors Read More …

Ryuk ransomware hits 700 Spanish government labor agency offices

The systems of SEPE, the Spanish government agency for labor, were taken down following a ransomware attack that hit more than 700 agency offices across Spain. “Currently, work is being done with the objective of restoring priority services as soon Read More …

Povlsomware PoC Ransomware Features Cobalt Strike Compatibility

Povlsomware (Ransom.MSIL.POVLSOM.THBAOBA) is a proof-of-concept (POC) ransomware first released in November 2020 which, according to their Github page, is used to “securely” test the ransomware protection capabilities of security vendor products. Povlsomware has not garnered much attention at the moment, Read More …

Universal Health Services lost $67 million due to Ryuk ransomware attack

Universal Health Services (UHS) said that the Ryuk ransomware attack it suffered during September 2020 had an estimated impact of $67 million. UHS, a Fortune 500 hospital and healthcare services provider, has over 90,000 employees who provide services to roughly Read More …