claims[.]stacirclereturns[.]io

The domain claims.stacirclereturns.io has been identified as a crypto drainer phishing infrastructure targeting cryptocurrency users. This domain is currently offline, though prior activity indicates it was designed to impersonate or exploit legitimate services to siphon digital assets. No direct brand impersonation has been confirmed, but the domain naming convention suggests an attempt to mimic transaction or refund processes associated with cryptocurrency platforms. Analysis indicates the domain was registered on February 21, 2026, through IONOS SE and resolves to the IP address 20.50.153.39. Security vendors on VirusTotal have flagged this domain as malicious, with 2 of 95 vendors detecting it as harmful. The domain appears on one security blocklist and has a trust score of 0 out of 100. Technologies detected include Azure AD B2C and Azure, alongside HSTS implementation, which may have been leveraged to enhance the appearance of legitimacy. The SSL certificate is issued by DigiCert Inc, a common certificate authority that does not inherently validate the domain's trustworthiness. The domain is currently offline, reducing immediate risk to users. However, organizations and individuals should remain vigilant, as similar infrastructure may re-emerge under different domains or IPs. It is recommended to block the domain and associated IP at the network level, monitor for related phishing attempts, and educate users on recognizing crypto drainer tactics. Security teams should also review logs for any prior interactions with this domain or its IP to assess potential exposure.