Monster Cloud Free 2 Stealer Log: 1,483 Records Leaked (Sep 2023)

The Monster Cloud Free 2 stealer log, distributed by .boxed.pw on Telegram, was publically released on September 23, 2023. The dataset contained 1,483 records including email addresses, plaintext passwords, and URLs harvested from infected devices -- credentials that could grant access to cloud storage environments and the files stored within them.

Why This Is Dangerous

Cloud service credentials are particularly valuable to attackers because they often provide access not just to one account, but to entire file systems, backups, and shared resources. With plaintext passwords in hand, criminals can log into affected cloud accounts immediatly without any cracking tools. Sensitive documents, business data, and personal files stored in these cloud environments may have been accessed or exfiltrated before anyone noticed the breach.

What Was Exposed

• Email Addresses
• Plaintext Password
• URLs

Why This Matters

Cloud credential breaches have a cascading effect. Once an attacker gains access to a cloud account, they can often pivot to connected services, shared drives, and linked applications. Thier access may go undetected for weeks or months. If the same credentials are used for other services -- which is common -- the impact of this stealer log extends well beyond Monster Cloud Free 2 itself. Credential stuffing tools can test these login pairs against hundreds of services within minutes of a log being released.

How Stealer Log Works

Stealer malware installs itself on a victims device -- often through a fake software download or phishing link -- and begins silently collecting saved passwords, browser cookies, and visited URLs. The resulting data is packaged into a log file and uploaded to Telegram channels where it is freely distributed or sold. The Monster Cloud Free 2 dataset is beleived to have been harvested from multiple infected machines and compiled before being uploaded by .boxed.pw in September 2023.

Check If You Are Affected

HEROIC offers a free identity scanner that searches over 400 billion records to see if your information has been exposed. If your credentials appeared in this stealer log, you should change your password immediatly, revoke any active sessions on your cloud accounts, enable two-factor authentication, and audit your stored files for any signs of unauthorised access.