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New NWHStealer Delivery Chain Uses Bun Loader, Anti-VM Checks, and Encrypted C2

📅 8 May 2026 at 09:44 UTC📰 Cyber Security NewsView original source ↗
New NWHStealer Delivery Chain Uses Bun Loader, Anti-VM Checks, and Encrypted C2

A new and evolving threat has caught the attention of cybersecurity researchers worldwide. A Windows-based information stealer known as NWHStealer has resurfaced with a more sophisticated delivery chain, now using the Bun JavaScript runtime as part of its infection process. This shift makes it clear that the attackers behind this campaign are actively experimenting with […] The post New NWHStealer Delivery Chain Uses Bun Loader, Anti-VM Checks, and Encrypted C2 appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

NWHStealer, a Windows-based information stealer, has resurfaced with a more sophisticated delivery chain utilizing the Bun JavaScript runtime and anti-VM checks, indicating active experimentation by attackers.

⚙️Technical Details
Affected Systems
Windows-based systems
Attack Vectors
Bun JavaScript runtime, anti-VM checks
💥Impact Assessment
Severity: high
Who Is at Risk
Organizations with Windows-based systems and potentially vulnerable software configurations
🛡️Recommended Actions
1Implement anti-VM checks on all incoming traffic
2Regularly update JavaScript runtime to the latest version
3Monitor system logs for suspicious activity
📦Affected Products
Software: Windows-based systems with potentially vulnerable software configurations

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