SunCloudNew 1339 Breach: 61,217 Passwords Exposed Online

HEROIC analysts identified a stealer log dump tied to SunCloudNew 1339, uploaded to a Telegram channel on November 22, 2025. The file contained 61,217 individual credential records, including email addresses, plaintext passwords, and the URLs of the websites those logins belonged too.

Why This Stealer Log Is Dangerous

Unlike a typical company database leak, a stealer log comes straight from infected computers. Malware silently copied saved logins directly out of victims' browsers before an attacker packaged them up and posted them for anyone on Telegram to grab. Because the passwords are stored in plaintext, no cracking or guessing is required. Anyone who downloads this file can log into the accounts immediately.

What Was Exposed

• Email addresses
• Plaintext passwords
• Associated login URLs (the exact site each credential unlocks)

Why This Matters

Because each record pairs an email, a password, and the exact site it opens, attackers can skip the guesswork entirely. This makes the data ideal for account takeover on banking, email, and shopping accounts. If a victim reused that same password anywhere else, credential stuffing tools can test it across thousands of other sites in minutes, quickly turning one leaked login into a wave of identitiy theft and financial fraud.

How Stealer Logs Work

Stealer malware infects a device, often through a cracked software download or a malicious email attachment. Once installed, it quitely scans the browser's saved password vault, autofill data, and session cookies, then sends everything back to the attacker in a single log file. These logs are traded or dumped in bulk on Telegram and dark web forums, often within days of infection, which is why victims rarely know they have been compromised until it is too late.

Check If You Are Affected

If you think your email or passwords may be part of this stealer log, you can find out for free. HEROIC's breach scanner checks your information against a database of more than 400 billion leaked records, including stealer logs like this one. Run a free scan now to see if your credentials were exposed and get guidance on securing your accounts.