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Malware Leverages CAPTCHA to Bypass Browser Warning

Nov 23, 2022 1:00:33 PM / by PolySwarm Tech Team posted in Threat Bulletin, Malware, CAPTCHA, TTPs, Gozi, Ursnif

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Related Families: Gozi (Ursnif)
Verticals Targeted: Financial

Executive Summary

Bleeping Computer recently reported on a malware campaign that uses CAPTCHA to bypass browser warnings and deliver Gozi. This technique appears to be a novel TTP for threat actors.

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RedLine Stealer Delivered Via Fake Windows 11 Update

Mar 14, 2022 1:27:00 PM / by PolySwarm Tech Team posted in Threat Bulletin, Malware, RedLine Stealer, Microsoft, Windows, Infostealer

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Background

Last month HP published research on RedLine Stealer, a stealer malware being delivered via fake Windows 11 updates. Almost a month later, RedLine Stealer continues to be active in the wild, with new samples surfacing over the past week.

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DDoS Attacks and New Wiper Malware Target Ukraine

Feb 25, 2022 2:37:21 PM / by PolySwarm Tech Team posted in Ukraine, Russia, Threat Bulletin, Financial, Wiper, Malware, DDoS, Katana, Government, Defense

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PolySwarm Threat Bulletin
THIS THREAT BULLETIN IS PROVIDED FOR SITUATIONAL AWARENESS

Background

PolySwarm recently released several publications and blog posts discussing Russia-Ukraine tensions and the potential for both kinetic and cyber conflict:

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