Watch Out for 'Latrodectus' - This Malware Could Be In Your Inbox

Threat hunters have discovered a new malware called Latrodectus that has been distributed as part of email phishing campaigns since at least late November 2023. "Latrodectus is an up-and-coming downloader with various sandbox evasion functionality," researchers from Proofpoint and Team Cymru said...

TA577 Targeting Windows NTLM Hashes in Global Campaigns

Summary: TA577, a significant cyber threat group, has shifted tactics to steal NTLM authentication data, utilizing thread hijacking and customized HTML attachments. Organizations should block outbound SMB to thwart exploitation and remain vigilant against evolving attack methods. Threat Level - R...

Warning: Thread Hijacking Attack Targets IT Networks, Stealing NTLM Hashes

The threat actor known as TA577 has been observed using ZIP archive attachments in phishing emails with an aim to steal NT LAN Manager NTLM hashes. The new attack chain "can be used for sensitive information gathering purposes and to enable follow-on activity," enterprise security firm Proofpoint...

Alert: Water Curupira Hackers Actively Distributing PikaBot Loader Malware

A threat actor called Water Curupira has been observed actively distributing the PikaBot loader malware as part of spam campaigns in 2023. "PikaBot's operators ran phishing campaigns, targeting victims via its two components — a loader and a core module — which enabled unauthorized remote access...

PikaBot Malware Unleashes Threat via Malvertising

Summary: PikaBot, a recently identified malware family, has become a prominent threat in malvertising campaigns, particularly through search engine ads. Associated with the TA577 threat actor and linked to ransomware distribution, PikaBot employs advanced tactics, such as decoy websites and...

PikaBot distributed via malicious search ads

During this past year, we have seen an increase in the use of malicious ads malvertising and specifically those via search engines, to drop malware targeting businesses. In fact, browser-based attacks overall have been a lot more common if we include social engineering campaigns. Criminals have...