Stealer Log 3d287b7c: 661 Plaintext Passwords and Service URLs Exposed
The 3d287b7c Stealer Log Incident
In March 2023, a Telegram user uploaded a stealer log archive identified by the UUID 3d287b7c-10a2-42de-b6e5-b86b15dcd5e9. The file exposed 661 records of credentials and browsing artifacts harvested from malware-infected Windows endpoints, publishing them to a public Telegram channel for free download.
What Is Inside the 661 Records
The archive bundles three tightly correlated fields per entry: an email address that identifies the victim, a plaintext password exactly as the user typed it, and the service URL where that password was entered. For each compromised device, attackers see which site, which user, and which working password combination to test first.
How UUID-Named Stealer Logs Work
Stealer-as-a-service operators use UUID filenames like 3d287b7c to keep output from multiple infections sorted in their automated pipelines. The underlying malware families, including RedLine, Raccoon, Vidar, and LummaC2, infect endpoints through cracked software, phishing lures, and malicious installers, then exfiltrate browser passwords, cookies, autofill entries, and crypto wallet files to command-and-control infrastructure.
Why This Drop Matters to Victims and Businesses
Each 3d287b7c record combines a plaintext password with the exact URL where it works. That gives attackers an efficient credential-stuffing target list for banking, email, SaaS, and VPN logins. Employees who reused work passwords on personal devices can effectively import corporate risk into this log, widening the blast radius for the businesses tied to exposed emails.
What Affected Users Should Do
Change every password saved in the infected browser, prioritize email and banking services, and enable multi-factor authentication where offered. Run a reputable anti-malware scan to clear any residual stealer, migrate credentials to a dedicated password manager, and review service activity logs for suspicious sign-ins from unfamiliar IPs or devices.
Check Your Exposure With HEROIC
HEROIC maintains a dark web intelligence database with over 400 billion compromised records, including UUID-labeled stealer log drops like 3d287b7c. Visit HEROIC.com to run a free exposure scan on your email and identify which accounts need rotation right now.
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