216.73.216.226

VoidStealer: Debugging Chrome to Steal Its Secrets

· Published 20/03/2026 10:51 · Modified 20/03/2026 21:18

Export JSON

Essential information

Published
20/03/2026 10:51
Modified
20/03/2026 21:18
Source / Author
AlienVault
Confidence
100/100
Report type(s)
threat-report
Labels / Tags
abe bypass chrome debugger-based technique edge hardware breakpoints infostealer memory analysis v20_master_key extraction voidstealer
Tags
2026-03-20 abe bypass chrome debugger-based technique edge hardware breakpoints infostealer memory analysis v20_master_key extraction voidstealer
Related entities
1 indicators, 1 observables, 1 intrusion sets (apt), 1 malware

Description

is an emerging that employs a novel debugger-based Application-Bound Encryption (ABE) bypass technique. This method leverages to extract the v20_master_key directly from browser memory, requiring neither privilege escalation nor code injection. The technique involves attaching to the browser process as a debugger, setting breakpoints at strategic locations, and extracting the key when it's briefly present in plaintext. This approach offers a lower detection footprint compared to alternative bypass methods. The blog post dissects the technique step-by-step, from locating the target address for breakpoint placement to extracting the key. It also provides detection strategies for defenders, focusing on monitoring debugger attachments and suspicious browser memory reads.

External references