The TOKYO CLOUD FREE80 Breach Gave Hackers 5,479 Logins to Exploit

On 02-Jul-2024, a Telegram user uploaded a stealer log named "TOKYO CLOUD FREE80 uploaded by a Telegram User" containing 5,479 records. HEROIC analysts reviewed the file and found it packed with login URLs, email addresses, and plaintext passwords lifted directly from infected machines.

Why This Is Dangerous

What makes a stealer log especially risky is that every credential in it already works. There is no cracking or trial and error involved: malware pulled the login URL, email, and password straight from the victim's own saved passwords, handing an attacker a ready-made key to that account.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the sites and services those credentials unlock

Why This Matters

The real danger of a stealer log is speed: an attacker can move straight to logging in, skipping the guesswork entirely. And because so many people reuse passwords, a single leaked credential pair can open the door to email, banking, or shopping accounts well beyond the one it was stolen from.

How Stealer Logs Work

Info-stealing malware works in the background: once it infects a device, it scrapes every password saved in the browser, along with autofill details and session cookies, and quietly ships that data to whoever controls the malware. The resulting package, in this case labeled "TOKYO CLOUD FREE80", tends to circulate through Telegram channels before it reaches wider dark web forums.

Check If You Are Affected

If you suspect your information might be in this leak, HEROIC's free breach scanner lets you check your email address against more than 400 billion breached records in seconds, so you'll know right away if it's time to update a password.