The CloudyTeamLogs Stealer Leak Exposed 46,026 U.S.-Based Credentials

HEROIC Identifies CloudyTeamLogs Stealer Package: 46,026 Harvested Records Confirmed

In July 2025, a Telegram user released a stealer log collection under the name Cloudy Logs Team, CloudyTeamLogs 797count. HEROIC's threat intelligence analysts verified this dataset and confirmed it contains 46,026 records pulled from compromised devices. The exposed data includes email addresses, plaintext passwords, and URLs representing the active online services each victim was authenticated to at the time their device was infected. With nearly 800 individual log files in the bundle, this is a substantial dataset from a persistent malware distribution effort.

Why This Is Dangerous for U.S.-Based Account Holders

The United States origin of this dataset means the victims are primarily holders of U.S.-based online accounts, the kind that connect to banking platforms, healthcare portals, e-commerce accounts, and cloud services with real financial and personal value. Attackers who acquire this log package have a ready-made target list: email addresses tied to active U.S. accounts, the plaintext passwords for those accounts, and the exact URLs of the services they access most. That combination is everything an attacker needs to begin credential stuffing and account takeover at scale.

What Was Exposed in the CloudyTeamLogs Collection

• Email Addresses
• Plaintext Passwords (no cracking needed)
• URLs (active services and platforms at time of device compromise)

Why This Matters: 46,000 Entry Points for Account Takeover

Each of the 46,026 records in this dataset represents a real person's active credentials. When stealer log data of this volume circulates on Telegram, it is typically acquired and deployed within hours. Automated credential stuffing tools can test these email-password combinations across hundreds of platforms in minutes. Victims who reuse passwords are at risk of losing access to their email, financial accounts, social media, and employer systems all at once. The downstream consequences include identity theft, fraudulent transactions, and unauthorised access to private communications.

How CloudyTeamLogs-Style Stealer Malware Operates

The "Cloudy" branding and structured file count in the package name are consistent with organised stealer log distribution networks that operate on Telegram. These groups use information-stealing malware, typicaly distributed through fake software cracks, phishing emails, and browser extension stores, to harvest credentials from victim devices. Each infected device produces a single log file. These files are aggregated, sorted, and sold or shared in bulk packages with names and file counts that help buyers understand what they are recieving. The 797-count designation means 797 separate devices were compromised to produce this collection.

How the Stealer Infection Process Works

Once stealer malware executes on a device, it queries the browser's local storage and keychain for saved passwords, captures any active session cookies, and records the domain names of services the user has logged into. This happens silently in the background, often within seconds of execution. The collected data is then compressed and transmitted to a remote server or Telegram bot. The entire process from infection to exfiltration can complete before any antivirus tool detects the presence of malware.

Find Out If You Are in the CloudyTeamLogs Dataset

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