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Rewterz Threat Alert – Spear-Phishing Campaigns Deliver the BalkanRAT

Severity

High

Analysis Summary

Croatia’s cyber-security agency warns of new spear-phishing campaign spreading BalkanRAT. In this malspam campaign, the body of the email contains a link to the malicious site hxxps: //www.porezna-uprava.org/edge.php. and the site is located at IP address 145.249.104.207 on a Dedicated Server in the Netherlands. The malspam uses the subject ‘Application Notice’ and the text begins with ‘NOTICE OF APPLICATION OF ARTICLE 54b. (Exemption from Accountability) GENERAL TAX LAW ‘The link fetches a BalkanDoor / BalkanRAT malware that communicates with malicious C&C servers: zagrebseba.net , amsterdamtodubrovnik.com (not detected on VT), lizardgreat.co

Impact

  • Unauthorized Remote Access
  • Complete System Takeover
  • Financial loss

Indicators of Compromise

Domain Name

  • zagrebseba[.]net
  • amsterdamtodubrovnik[.]com
  • lizardgreat[.]co

Email Subject

Application Notice

From Email

Tax Administration Information [@] Tax Administration [.] Org

Source IP

145.249.104[.]207

URL

https[:]//www[.]porezna-uprava[.]org/edge.php

Remediation

  • Block the threat indicators at their respective controls.
  • Do not download untrusted email attachments.
  • Do not follow URLs attached in untrusted emails.