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kr3pto is a name associated with phishing-kit activity tied to courier-themed credential phishing that impersonates Royal Mail and solicits parcel delivery fee payments. Available reporting links the name to analysis of phishing kits used in campaigns that abused the Royal Mail brand and targeted victims in the United Kingdom during widespread courier-themed phishing activity in 2021. The directly supported behavior is credential phishing used for initial access and credential theft through spoofed delivery-payment lures. No high-confidence evidence is available here to attribute kr3pto to a nation state, define a broader organizational structure, identify additional verified aliases or sub-groups, or establish ransomware or extortion operations.
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