One Batch, 2,669 Accounts: The Japan KRDCloud Stealer Log

One Batch, 2,669 Accounts: Inside the Japan KRDCloud Stealer Log

HEROIC analysts identified a stealer log labeled 2883_Japan_KRDCLOUD, uploaded to a Telegram channel on 13 July 2026. The file contained 2,669 records, each pairing an email address with a plaintext password and the URL of the site the credential was used on. The Japan and cloud references in the file name point to credentials tied to Japanese users and cloud storage accounts specifically, part of a numbered series of similar regional batches.

Why This Is Dangerous

This data was pulled directly from infected devices rather than an old hacked database, meaning the 2,669 credentials in this file reflect logins that were actively in use. An attacker does not need to crack or guess anything. The email, the plaintext password, and the exact site it unlocks are already paired together in one file, ready to use.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the sites where the credentials were used

Why This Matters

Cloud storage accounts frequently hold personal documents, photos, and backups, making them an attractive target on their own. If any of the 2,669 people in this leak reused their password on other accounts, an attacker can use credential stuffing to try that same combination on banking, email, or social media platforms. From there, account takeover, identity theft, and financial fraud become real risks.

How Stealer Logs Work

A stealer log is produced by information-stealing malware that infects a device, typically through a pirated download, a fake software update, or a malicious attachment. Once running, it quietly harvests saved passwords, autofill entries, and open browser sessions, then packages everything into a text file. Files labeled by region and service, like this Japan-focused cloud batch, often reflect a criminal group targeting a specific audience before sharing or selling the results on Telegram channels and dark web forums.

Check If You Are Affected

If you use a cloud storage account or reuse passwords across services, it is worth checking whether you are one of the 2,669 people affected by this leak. HEROIC's free breach scanner checks your email address against a database of more than 400 billion leaked records, including stealer logs like this one, and tells you right away if you have been exposed. Run a free scan today to check your status.