capitalhillpay[.]com

This domain, capitalhillpay.com, is identified as a brand impersonation threat targeting Mastercard, a global payment network. Analysis indicates the site masqueraded as a credit union under the page title 'capitalhillpay | Credit Union,' likely designed to deceive users into submitting sensitive financial credentials or personal information. No crypto drainer or malware payloads were confirmed in available telemetry, but the infrastructure aligns with credential harvesting campaigns observed in prior Mastercard-themed phishing operations. Infrastructure analysis reveals the domain was registered on June 14, 2025, through Cosmotown, Inc., and resolved to the IP address 163.61.188.222. Security vendor detections on VirusTotal report 3/95 flags, while Gridinsoft assigns a trust score of 0/100. The domain appears on a single security blocklist and is blocked by PhishDestroy. Detected technologies include LiteSpeed web server, HSTS enforcement, and HTTP/3 protocol support, suggesting an attempt to mimic legitimate financial service providers. As of the latest verification, capitalhillpay.com has been taken offline, reducing immediate exposure. However, residual risk persists due to the domain's recent creation and prior hosting on a non-reputable IP range. Organizations are advised to monitor for related domains registered under the same registrar or resolving to the identified IP. Users who may have interacted with the site should revoke any submitted credentials and enable multi-factor authentication on financial accounts. Network-level blocking of the IP 163.61.188.222 is recommended as a precautionary measure.