Key Takeaways The intrusion began with the exploitation of CVE-2023-22527 on an exposed Windows Confluence server, ultimately leading to the deployment of LockBit ransomware across the environment.…
Cobalt Strike and a Pair of SOCKS Lead to LockBit Ransomware
Key Takeaways This intrusion began with the download and execution of a Cobalt Strike beacon that impersonated a Windows Media Configuration Utility. The threat actor used Rclone to exfiltrate data…
Inside the Open Directory of the “You Dun” Threat Group
Analysis of an open directory found a Chinese speaking threat actor’s toolkit and history of activity. The threat actor displayed extensive scanning and exploitation using WebLogicScan, Vulmap, and Xray, targeting organizations in South Korea, China, Thailand, Taiwan, and Iran. The Viper C2 framework was present as well as a Cobalt Strike kit which included TaoWu and Ladon extensions. * The Leaked LockBit 3 builder was used to create a LockBit payload with a custom ransom note that included reference to a Telegram group which we investigated further in the report.