One Dark Web Listing. The SunCloudNew Archive Had 67,961 Records.

HEROIC analysts flagged a single dark web listing in November 2025 containing a stealer log file labeled SunCloudNew 1333. Behind that one listing were 67,961 individual records, each containing an email address, a plaintext password, and the URL of the website where the credentials were captured. The data was collected from real devices infected with information-stealing malware and shared through a private Telegram channel.

Why This Is Dangerous

Sixty-seven thousand may sound like a small number compared to massive corporate breaches, but targeted stealer logs like this one are often more dangerous per record. Each entry contains a complete credential set -- website, email, and plaintext password -- harvested directly from a live user session. There is no encryption to overcome. Attackers can immediately test each credential against the exact site listed in the log. And because people routinely reuse passwords, a single exposed login can cascade into account takeovers across email, banking, streaming, and shopping platforms.

What the SunCloudNew Stealer Log Exposed

• Email addresses serving as account usernames
• Plaintext passwords as they were typed by users
• URLs pinpointing which services were targeted

This is a URL-Login-Password (ULP) format file, which is among the most immediately useable credential formats in the underground market. Every record in the SunCloudNew archive is ready for direct account takover attempts without further processing.

Why Targeted Stealer Logs Put Accounts at Immediate Risk

When a file this precise circulates on Telegram, it typically moves from private channel to active exploitation within hours. Threat actors run automated tools that test each credential set against the listed URL. Successful logins are then harvested for financial data, used to impersonate the victim, or sold again in secondary markets. Identity theft, credit card fraud, and unauthorized account access are common outcomes. Because these files target specific websites rather than broad credential lists, the success rate for attackers is significantly higher than with generic combolists.

How Stealer Log Malware Harvests Credentials

Information stealing malware is designed to be invisible. It typically arrives through phishing emails, malicious software cracks, fake browser updates, or infected download sites. Once active on a device, it scans the browser's stored login data, monitors active sessions, and captures keystrokes on login forms. The resulting file -- a stealer log -- contains the harvested credentials organized by website. These logs are then compressed and sent to the attacker's server or directly posted to Telegram channels for distribution. The SunCloudNew 1333 archive followed this exact patern, ending up publicly shared in a private channel where HEROIC analysts identified it.

Find Out If Your Email Appeared in the SunCloudNew Archive

Stealer logs shared on private Telegram channels rarely appear in standard breach notification services. HEROIC monitors these channels and indexes records into a database of more than 400 billion exposed credentials. A free search takes seconds and tells you exactly which breaches include your email address. Run a search now at HEROIC to find out whether your accounts were among the 67,961 exposed in the SunCloudNew stealer log.