Infostealer Malware Strikes Queen Cloud: 11,394 Records Exposed

HEROIC found the Queen Cloud stealer log on June 2, 2023, a file exposing 11,394 records containing email addresses, plaintext passwords, and the URLs of services where those credentials were harvested from compromised devices. The Queen Cloud log is a Telegram-distributed infostealer dataset that remained in criminal circulation after its initial 2023 release, making its credentials an ongoing risk for affected users who have not yet changed their passwords.

Why the Queen Cloud Breach Is Dangerous

The Queen Cloud infostealer dataset placed 11,394 plaintext credential pairs on Telegram in June 2023. Credentials harvested by infostealer malware are captured at the point of device login, confirming they were active at time of theft. The associated URL in each record identifies the exact service targeted, enabling attackers to attempt direct logins without any cracking or guessing. Credentials from 2023 logs remain dangerous because many affected users have not rotated passwords since the breach occurred.

What Was Exposed in the Queen Cloud Leak

• Email addresses
• Plaintext passwords
• URLs (the exact services where credentials were captured from infected devices)

Why This Queen Cloud Data Puts You at Risk

Account takeover, credential stuffing, and identity theft are the primary risks for victims whose credentials appear in the Queen Cloud dataset. Attackers use the stolen email to reset passwords on connected financial accounts, social media platforms, and corporate systems, multiplying access beyond the original service. Victims who have reused the exposed password since 2023 without changing it remain at immediate risk of unauthorized account access and financial fraud.

How Stealer Log Works

Infostealer malware is distributed through phishing emails, pirated software downloads, and malicious browser extensions. After infecting a device, it silently captures all saved browser credentials, session tokens, and autofill entries before transmitting them to the operator. The operator bundles the collected records into named log packages and distributes them through Telegram channels. Victims rarely discover the compromise until a breach scan or unauthorized account activity reveals it.

Check If Your Data Was Exposed

HEROIC operates one of the world's largest breach databases, covering more than 400 billion leaked records. Use HEROIC's free breach scanner to check if your email address or credentials appeared in the Queen Cloud leak or thousands of other breaches in our database.