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Rewterz Threat Alert – Quasar RAT – Active IOCs

Severity

Medium

Analysis Summary

Quasar virus is a Remote Access Trojan (RAT) that is often abused by cybercriminals to take remote control over users’ computers for malicious purposes. Exploiting a path traversal vulnerability of WinRAR, a Molerats spear-phishing campaign is discovered. It is suspected that a Gaza Cyber gang group is behind the campaign. In the first step, the victim installs a downloader in their operating system which then gets infected with a RAT (Quasar). The downloader typically first tries to connect to a geolocation domain and then the RAT is downloaded.

Impact

  • Data Theft
  • Exposure of Sensitive DatA

Indicators of Compromise

MD5

  • 5c3d66b3f4ec278a92dc1317955207c6
  • c5c7a708e3609aa25eb6fa2d85487041

SHA-256

  • 100f14bd43501076a1b9dc89bdbc702aadbe65054c05e4bdf9ad8f0000d1c699
  • 8fe8b38e46e68d17dac4b49920702b2856eadd399ada052e8fbf66171335afee

SHA-1

  • fec09ab5291fc2f0d13ffcd65828fefa130e318e
  • 27d17e60f347a390d6c65f719179e92eb0594d7a

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.