Inside DAISY_CLOUD: How Malware Harvested 2,662 Passwords

The DAISY_CLOUD_08_MAY_0207_PCS stealer log is a dataset assembled from infostealer malware infections and uploaded to Telegram in May 2023 by an anonymous threat actor. It contains 2,662 records, each one representing a real person whose device was silently compromised by malware that extracted their login credentials without their knowledge. Every record in the collection includes an email address, a plaintext password, and the URL of the website where that password was actively in use. HEROIC analysts confirmed the dataset and added it to the dark web monitoring index. This report explains exactly how stealer malware operates, what it captures, and how to find out if your credentials were among those harvested.

Why This Is Dangerous

Unlike most breach datasets where passwords are stored as encrypted hashes, stealer log malware captures credentials at the exact moment a user types them into a login form, before any hashing or encryption takes place. This means every password in the DAISY_CLOUD dataset is immediately usable with zero cracking required. Attackers who downloaded this Telegram file recieve a ready-to-use list of email addresses, working passwords, and direct URLs for the services where those credentials were active. There is no technical barrier between a criminal obtaining this file and attempting account takeovers. Victims typically have no warning that their credentials are circulating until unauthorized activity is spotted.

What Was Exposed

The DAISY_CLOUD_08_MAY_0207_PCS Telegram stealer log included the following categories of compromised personal data:

• Email Addresses
• Plaintext Passwords
• URLs (the exact websites and online services where each victims credentials were actively in use at time of infection)

The inclusion of active login URLs alongside email and password pairs is what makes stealer log data distinctly more dangerous than a standard password dump. Attackers do not need to guess which services to target. The log tells them exactly where to go.

Why This Matters

The 2,662 individuals whose credentials appear in the DAISY_CLOUD dataset face real and immediate risk. Credential stuffing attacks powered by stealer log data are responsible for millions of account takeovers annually. Attackers rely on the well-documented tendency for people to reuse passwords across seperate services. A single working credential pair can unlock banking apps, cloud storage, workplace email, and e-commerce accounts in rapid succession. Outcomes for victims include financial fraud, identity theft, and unauthorized account access that can persist for months before being discoverd.

How Stealer Log Malware Works

Infostealer malware is the mechanism behind every record in the DAISY_CLOUD dataset. Here is how the infection and data harvesting process typically unfolds:

• Delivery - The malware arrives via phishing emails, malicious software downloads, fake browser extensions, or cracked application installers
• Execution - Once installed, it runs silently in the background with no visible indication to the user
• Harvesting - The malware scans browser-saved passwords, session cookies, autofill data, and actively visited login URLs
• Exfiltration - All harvested data is packaged into a structured log file and transmited to an attacker-controlled server
• Distribution - Individual device logs are bundled into collection batches and uploaded to Telegram channels or dark web markets where other criminals can download them freely

The DAISY_CLOUD name identifies the specific Telegram channel or distribution operation that assembled and published this particular batch. The entire process from initial infection to data availability can occur within hours.

Check If You Are Affected

HEROIC offers a free identity monitoring scanner that searches across more than 400 billion breach records, including stealer log datasets like DAISY_CLOUD. If your email address or password appears in this dump or any other known breach collection, HEROIC will alert you immediately so you can act before attackers do. Run your free scan at HEROIC.com today.