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From OneNote to RansomNote: An Ice Cold Intrusion - The DFIR Report
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.
#thedfirreport#EN#2024#2023#incident#incident-analysis#IcedID#OneNote#FileZilla#Nokoyawa#ransomware
·thedfirreport.com·
From OneNote to RansomNote: An Ice Cold Intrusion - The DFIR Report