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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

  • 5db1d88dc4b7a497dbf089a0e07fce86
  • d85a569692dcc30d7138af19b201f3be

SHA-256

  • f5e3d1fc259ffff2f85f7f631ebdee010c0981ece39a9da2b6d56c0f59954bda
  • 636eade7adbff93edfb59548f6861fcf4e26ff9bcd2b413a1fb5cac290e1e05b

SHA-1

  • 264e872f2d7c196d761182bce91b77bb0b4f3d21
  • 9fc5b70cb87c180b9815e808a8041fe44b1faa30

Remediation

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