KINWILDER

GrayBravo

No sourced public emblem in this profile.

reference profile · reported nexus: Unknown (not nationality)

TAG-150, also known as GrayBravo, is a sophisticated threat actor responsible for developing multiple custom malware families, including CastleLoader and CastleRAT, and operates a large-scale, multi-layered infrastructure. The group employs the ClickFix technique to distribute malware through phishing attacks that impersonate legitimate services, leveraging deceptive domains and fake repositories. Insikt Group has identified four distinct activity clusters associated with TAG-150, each targeting different victim profiles and utilizing unique TTPs.

Source-reported aliases: TAG-150. 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.recordedfuture.com/research/graybravos-castleloader-activity-clusters-target-multiple-industries

https://www.recordedfuture.com/research/from-castleloader-to-castlerat-tag-150-advances-operations

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