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Behind the Fake Tax Notice - Part II: ValleyRAT Unmasked

In Part I of this series — “Behind the Fake Tax Notice” — the Foresiet Threat Intelligence Team mapped a multi-country, tax- and invoice-themed phishing network built around hxxps://adresesvip/. That infrastructure, hosted on Alibaba Cloud in Hong Kong, was used to target taxpayers across India, Germany, Malaysia and Japan. The first report documented the lure, the sender and the hosting, but left one question open: what does the campaign actually deliver?

Fake Tax Notice Phishing: How the Cross-Border Scam Network Operates

Foresiet identified adreses[.]vip as part of a localized phishing infrastructure cluster using tax, invoice, payroll, and document-download themes. The strongest evidence supports malicious phishing infrastructure and campaign-level clustering; named-actor elevation remains evidence-weighted and under active validation.