For example, while the common entry vectors for these threat actors include remote desktop applications and compromised credentials, we also saw a threat actor leverage Exchange server vulnerabilities to gain target network access. Thus, as a RaaS payload, how BlackCat enters a target organization’s network varies, depending on the RaaS affiliate that deploys it. Microsoft has observed successful attacks against Windows and Linux devices and VMWare instances.Īs we previously explained, the RaaS affiliate model consists of multiple players: access brokers, who compromise networks and maintain persistence RaaS operators, who develop tools and RaaS affiliates, who perform other activities like moving laterally across the network and exfiltrating data before ultimately launching the ransomware payload. BlackCat can also target multiple devices and operating systems. By using a modern language for its payload, this ransomware attempts to evade detection, especially by conventional security solutions that might still be catching up in their ability to analyze and parse binaries written in such language. While BlackCat’s arrival and execution vary based on the actors deploying it, the outcome is the same-target data is encrypted, exfiltrated, and used for “double extortion,” where attackers threaten to release the stolen data to the public if the ransom isn’t paid.įirst observed in November 2021, BlackCat initially made headlines because it was one of the first ransomware families written in the Rust programming language. It’s noteworthy due to its unconventional programming language (Rust), multiple target devices and possible entry points, and affiliation with prolific threat activity groups. The BlackCat ransomware, also known as ALPHV, is a prevalent threat and a prime example of the growing ransomware as a service (RaaS) gig economy. Endpoint management Endpoint management.

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