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Tag: unc6692

3 articles

Laptop screen displays Microsoft Teams conversation in bright office setting.

Microsoft Teams Used to Deploy Sophisticated Snow Malware

Cyber attackers have cleverly used Microsoft Teams to deploy a sophisticated malware suite, dubbed Snow, by tricking victims into installing a fake anti-spam patch that ultimately led to prolonged access, credential theft, and domain compromise. They started by creating a sense of urgency through email bombing, then followed up with a direct message on Microsoft Teams.

Analyst 207
Laptop screen displays Microsoft Teams chat invitation on office desk with papers and chair in background.

Threat Actors Exploit Microsoft Teams for SNOW Malware Deployment

Cyber attackers are exploiting Microsoft Teams by impersonating IT helpdesk staff, tricking victims into accepting chats from unfamiliar accounts and deploying SNOW malware. They start by flooding inboxes with urgent emails, then pose as IT support over Teams, offering to fix the problem.

Analyst 207
Cluttered office desk with computer, papers, and open smartphone showing an email inbox.

UNC6692 Exposes Custom Malware Suite via Social Engineering

In a clever social engineering ploy, UNC6692 launched a massive email campaign in late December 2025, flooding targets with messages to create a sense of urgency and distraction, before following up with a convincing Microsoft Teams message that pushed a malicious link. The attackers then cleverly disguised their malware as a legitimate "Mailbox Repair and Sync Utility" patch, hosted on an Amazon S3 page.

Analyst 207