Researchers Link Naver Phishing Infrastructure and Apple Spoofing Domains to Suspected DPRK Activity

· Original article ↗

Summary

Researchers found an exposed server hosting incomplete Naver credential-phishing pages and a separate cluster of Apple-spoofing domains. Infrastructure and certificate patterns are consistent with DPRK-linked activity, but attribution is unconfirmed.

Key points

  • An exposed directory on a Seoul-hosted server contained folders and pages designed to mimic Naver account and password-change flows.
  • The phishing pages appeared incomplete: the credential fields did not function, and the PHP scripts returned blank pages.
  • Logs in the server’s directories contained IP addresses that researchers said could indicate tracking of visitors, potential victims, or researchers.
  • More than 200 domains resolved to the server; many used low-cost domains and frequently replaced Let's Encrypt certificates.
  • A separate cluster used Apple-themed domains and shared certificates across multiple IPs and countries; a researcher linked one IP to Talos activity tracked as UAT-5394.
  • The researchers said the findings are consistent with DPRK-linked tactics, but attribution to a specific group or actor is not confirmed.

Article Details

Attack Vectors
  • Credential-phishing pages imitating Naver, including a fake password-change page intended to prompt users to provide credentials.
  • Apple-themed domain and certificate spoofing, including typosquatting and certificate rotation across multiple IP addresses.
  • HTTP redirects from suspicious infrastructure to Naver pages; the article describes the phishing pages as incomplete and does not confirm credential exfiltration.
Defensive Notes
  • Monitor for the listed suspicious IP addresses, domains, and certificate SHA-256 fingerprints, including infrastructure that shares certificates or certificate common names.
  • Treat the reported attribution to DPRK-linked activity as unconfirmed; the article describes the Naver campaign and Apple-spoofing cluster as separate infrastructures.

Indicators of compromise

TypeIndicatorContext
DOMAINapplelplus1[.]hydadhybidad2[.]xyzDomain observed as a certificate common name on 185.239.0[.]43; the article says its connection to the current activity is unconfirmed.
DOMAINappleplus[.]dnbaletmigardam[.]topApple-impersonating certificate common name observed on a host in the reported cluster.
DOMAINappleplus[.]sbsApple-impersonating domain listed on a host in the reported cluster.
DOMAINappleplus[.]shopApple-impersonating domain observed in certificates across the reported suspicious infrastructure cluster.
DOMAINecolekoenig[.]topDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINfile-explorer-aerocenter[.]orgDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINgyvan3-ppfhg[.]linkDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINhostingnhisserver[.]storeDomain listed as directly linked to the server hosting the suspected phishing directory.
DOMAINnextonlinecom[.]storeSuspicious domain observed in the referer field during analysis of the reported phishing flow.
DOMAINschulen-horw[.]comDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINshelby-cp-ecole[.]orgDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINtarifaconcursodeacreedores[.]topDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINtopseven[.]topDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINulta[.]appleplus[.]storeApple-impersonating domain identified as part of the suspicious certificate and infrastructure cluster.
DOMAINvinetro[.]infoDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINvisitnhisserver[.]storeSuspicious domain serving a customized Naver-themed page in the reported phishing flow.
DOMAINwestwindmotorinn[.]xyzDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINwrightechltd[.]linkDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
DOMAINyarzzk[.]linkDomain listed on a host associated with the suspicious Apple-impersonating certificate cluster.
IPV4107[.]189[.]16[.]65Host associated with the suspicious Apple-impersonating certificate cluster.
IPV4158[.]247[.]238[.]155Server hosting the exposed directory and domains associated with the suspected phishing operation.
IPV4159[.]253[.]4[.]64Host listed among the IPs associated with the suspicious Apple-impersonating infrastructure.
IPV4159[.]253[.]4[.]70Host listed among the IPs associated with the suspicious Apple-impersonating infrastructure.
IPV4185[.]239[.]0[.]39Host identified in the reported Apple-impersonating certificate and infrastructure cluster.
IPV4185[.]239[.]0[.]42Host associated with the Apple-impersonating domain ulta.appleplus[.]store.
IPV4185[.]239[.]0[.]43Host listed in the Apple domain-spoofing observables.
IPV4185[.]239[.]2[.]170Host identified in the reported Apple-impersonating certificate and infrastructure cluster.
IPV4192[.]121[.]17[.]63Host listed among the IPs associated with the suspicious Apple-impersonating infrastructure.
IPV4206[.]206[.]125[.]237Host associated with Apple-impersonating certificate common names in the reported cluster.
IPV484[.]32[.]186[.]252Host listed among the IPs sharing the suspicious Apple-impersonating certificate or domain indicators.
SHA2563201fa0f5d8269e556aec50f820f17e1ae760cd86e5084bdccdfe0aff6430e06SHA-256 fingerprint of a short-lived certificate associated with the Apple-impersonating infrastructure.
SHA25635a101941f438a7d072b31eb3b666e2c31a070dd7cf8099d20b738778fbd3458SHA-256 fingerprint of a frequently updated certificate observed on the suspicious phishing server.
URLhxxps[:]//158[.]247[.]238[.]155/naverExposed directory containing files associated with the suspected Naver phishing operation.
URLhxxps[:]//visitnhisserver[.]store/success[.]htmlSpecific Naver-themed page served by suspicious infrastructure in the reported phishing flow.

People

Threat Actors

Products

Tools

Countries

Industries

Related Articles