KINWILDER

Storm-0249

No sourced public emblem in this profile.

reference profile · reported nexus: Unknown (not nationality)

Storm-0249 is an access broker active since 2021, known for distributing BazaLoader, IcedID, Bumblebee, and Emotet malware. The actor primarily employs phishing emails to deliver malware payloads, as evidenced by a campaign involving tax-themed emails that aimed to distribute BRc4 and Latrodectus malware. Storm-0249 has facilitated initial access for other threat actors, such as Storm-0501, by leveraging compromised credentials and exploiting known vulnerabilities in public-facing servers. Microsoft has detected malicious PDF attachments associated with Storm-0249's phishing campaigns.

Source-reported aliases: DEV-0249. Associations do not prove equivalence.

Target geography

Catalog-listed countries (associations, not attack counts): No country-level metadata

No bound claim-post feed for this label.

Historical casebook

No dated record curated yet; absence does not establish inactivity.

Planned Kinwilder coverage

Tentative editorial review windows, contingent on evidence and review; not promised publication dates or predictions of attacks.

No assigned review window.

References

Pinned source catalog

https://www.microsoft.com/en-us/security/blog/2025/04/03/threat-actors-leverage-tax-season-to-deploy-tax-themed-phishing-campaigns/

https://techcommunity.microsoft.com/t5/microsoft-defender-xdr-blog/monthly-news-november-2023/ba-p/3970796

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