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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 Cybergang 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 geo location domain and then the RAT is downloaded.
Impact
- Data Theft
Indicators of Compromise
MD5
- 76df541a3c7367d879950d75f026ec3a
- 6d09aab49879dd653e2a81f4de09be79
- 9137c99b88b701fc6315c36c67bb7b05
- 02c664aa0793ffb1d10eca08921bc77f
SHA-256
- db33ecbcd768469b698011c77e600e378e4225f8dc952b0fc9829b5ef61aa6c2
- c643f3d7a3da44116e51974aeeba114d184ab09ddde121e8283d73c60ee9b184
- c913114ca9567407334925e993f90611b6a7a5d068c9ca6a879f34a993e88fa7
- 885c0ee469749be09f9d9290f84338bf2f637c8c15a7a363240f9d2f09522e93
SHA1
- 93a3743f029fc162fc38641d2c3c80d53f5182d5
- 9f3a07fd08b4ef5f622b4ab15dafec1c6b9dfda5
- 75903888ba49ce18ee83976b781c2b5cc818c23d
- 5c3bed4bed72373b10ead3a492e6a6f2e150e248
Remediation
- Block the threat indicators at their respective controls.
- Do not download email attachments coming from untrusted sources.
- Do not download any files from random sources on the internet.
- Keep WinRAR updated to the latest patched versions.