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.…
IcedID Brings ScreenConnect and CSharp Streamer to ALPHV Ransomware Deployment – The DFIR Report
Key Takeaways In October 2023, we observed an intrusion that began with a spam campaign, distributing a forked IcedID loader. The threat actor used Impacket’s wmiexec and RDP to install Scree…
From OneNote to RansomNote: An Ice Cold Intrusion - The DFIR Report
In late February 2023, threat actors rode a wave of initial access using Microsoft OneNote files. In this case, we observed a threat actor deliver IcedID using this method. After loading IcedID and establishing persistence, there was no further actions, other than beaconing for over 30 days. The threat actor used Cobalt Strike and AnyDesk to target a file server and a backup server. * The threat actor used FileZilla to exfiltrate data from the network before deploying Nokoyawa ransomware.