Inside the LogsCorp Stealer Log: How Malware Harvested 4,348 Passwords

HEROIC analysts identified a stealer log dataset uploaded to Telegram in July 2024, named "LogsCorpFreeLogsCloud." The file contains 4,348 records, each combining an email address with a plaintext password and the URL of the account the credential opens, all harvested directly from infected devices.

Why the LogsCorp Stealer Log Is Dangerous

Stealer logs differ from ordinary leaked password lists because the data comes straight from a victim's own device at the moment of infection. That means the 4,348 credentials in this file were, at some point, active and working logins pulled directly from someone's browser rather than recycled from an old breach.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the accounts each credential unlocks

Why This Matters

Because stealer log credentials tend to reflect real, recent logins, they carry a higher risk of a successful account takeover than older, previously exposed passwords. For the 4,348 people in this file, that means email, banking, or social accounts could still be accessible using the exact password captured by the malware.

How Malware Built the LogsCorp Stealer Log

Malware behind stealer logs is usually delivered through fake software downloads, cracked programs, or malicious attachments. Once installed, it quietly reads through the victim's browser to pull saved usernames, passwords, and the web addresses they belong to, then packages everything into a file and sends it back to whoever controls the infection. Labeled "FreeLogsCloud," this particular file was then shared on Telegram, where other criminals could pick it up at no cost.

Check If You Are Affected

Because stealer log passwords are often still active, it's worth checking your exposure without delay. HEROIC's free breach scanner compares your email against more than 400 billion leaked records, including this stealer log, so you can find out quickly and change any password the malware may have captured.