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RaccoonO365 is a phishing-as-a-service platform focused on harvesting Microsoft 365 credentials through counterfeit sign-in workflows that imitate Microsoft branding and related enterprise services. It has been used to generate phishing pages and supporting lures at scale, lowering the barrier to entry for financially motivated operators by packaging templates, infrastructure, and operational features into a subscription offering.
The service is associated with credential theft and account takeover activity against organizations worldwide, including corporate, financial, educational, and healthcare entities. Reported campaigns used fake Microsoft 365 login portals and impersonation of brands such as Microsoft, DocuSign, Adobe, SharePoint, and Maersk. Observed delivery methods include phishing emails carrying links or QR codes that direct victims through intermediary pages, including CAPTCHA-style steps, to fraudulent authentication portals. Tax-themed campaigns in early 2025 used PDF attachments with QR codes to route targets to RaccoonO365 phishing infrastructure.
RaccoonO365 has been described as supporting techniques intended to bypass multifactor authentication and facilitate downstream business email compromise, data theft, and fraud. The platform was linked to theft of thousands of Microsoft credentials across dozens of countries and to targeting of thousands of organizations in the United States. Microsoft and Cloudflare disrupted the operation in 2025 by seizing hundreds of associated websites, and Nigerian authorities later arrested suspects allegedly involved in developing and operating the service. Public reporting has identified Joshua Ogundipe as a leading figure behind the operation, with additional arrests tied to its infrastructure and sales activity.
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9 distinct techniques documented for this family, organized by ATT&CK tactic.
The FBI said the phishing kit was backed by an online marketplace called W3LLSTORE that offered up individuals’ login details and credentials for remote desktops.
Microsoft has observed several phishing campaigns using tax-related themes for social engineering to steal credentials and deploy malware.
1 indicator attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
IPs, domains, and DNS infrastructure linked to this family.
16 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A phishing kit/service referenced as part of Microsoft disruption operations; discussed as adjacent to Tycoon 2FA within the impersonation-for-hire ecosystem.
A cybercrime service used to support large-scale phishing operations; referenced as infrastructure/tooling used by RedVDS customers and previously taken down by Microsoft.
A phishing-as-a-service operation used to steal Microsoft 365 credentials at scale.
Phishing-as-a-service platform used to generate fake Microsoft 365 login pages for credential harvesting, targeting organizations globally.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.