These malware threats are then used to distribute ransomware onto compromised computers.
In some instances, attackers use this malware to install Cobalt Strike, which is then used to pivot to other systems on the network. In most cases, the spear-phishing emails contain Microsoft Word document attachments embedded with macros that lead to the installation of one of the previously mentioned malware threats.
Tamper with and evade security softwareĪffiliates for the Hive, Conti, and Avoslocker ransomware operators use a variety of techniques to gain an initial foothold on victim networks.Once initial access to a victim network has been gained, Hive, Conti, and Avoslocker use a plethora of TTPs to help the operators achieve the following: In most cases affiliates stick to a playbook that contains detailed attack steps laid out by the ransomware operators. In the RaaS model the ransomware operators hire affiliates who are responsible for launching the ransomware attacks on their behalf. Similar to many other ransomware families, Hive, Conti, and Avoslocker follow the ransomware-as-a-service (RaaS) business model. Symantec, a division of Broadcom Software, tracks various ransomware threats however, the following three ransomware families are being observed in the majority of recent attacks: The tactics used by ransomware attackers are continually evolving, but by identifying the most frequently employed tools, tactics, and procedures (TTPs) organizations can gain a deeper understanding into how ransomware groups infiltrate networks and use this knowledge to identify and prioritize areas of weakness. Targeted ransomware attacks continue to be one of the most critical cyber risks facing organizations of all sizes.
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