Stories from the SOC: Caught in the Trap: Detecting and Defending Against RaccoonO365 Phishing Campaigns
In September 2024, LevelBlue conducted a comprehensive threat hunt targeting artifacts indicative of Phishing-as-a-Service (PhaaS) activity across our monitored customer fleet. During the investigation, the LevelBlue Managed Detection and Response (MDR) Blue Team discovered a new PhaaS kit, now identified as RaccoonO365. The hunt confirmed true-positive compromises of Office 365 accounts, prompting swift customer notifications and guidance on remediation actions.