Monster Cloud Free 3 Stealer Log: 2,745 Records Leaked (Sep 2023)

The Monster Cloud Free 3 stealer log, distributed by .boxed.pw via Telegram, was publically released on September 23, 2023. This dataset exposed 2,745 records including email addresses, plaintext passwords, and URLs -- one of the larger Monster Cloud series logs released by this distributor in the same period.

Why This Is Dangerous

With 2,745 records and plaintext passwords, this stealer log represents a ready-made toolkit for account takeover attacks. Attackers can begin testing the exposed credentials immediatly against email providers, cloud services, and any other sites whose URLs appear in the dataset. Because this data includes service URLs alongside matching credentials, there is no guesswork involved -- criminals know exactly which accounts to target first.

What Was Exposed

• Email Addresses
• Plaintext Password
• URLs

Why This Matters

The Monster Cloud Free series, released across multiple parts by .boxed.pw, represents a sustained campaign of credential distribution on Telegram. Each installment adds to the pool of exposed credentials available to cybercriminals. Victims of this breach may not realise thier credentials are circulating in criminal marketplaces, making it difficult to take timely protective action. Credential stuffing attacks using these records can occur months or even years after the original breach date.

How Stealer Log Works

Stealer logs are created by malware that silently infects devices and extracts saved login credentials, browser histories, and session cookies. The harvested data is compiled into files that are then uploaded to Telegram channels or dark web forums for distribution. The Monster Cloud Free 3 dataset is beleived to have been harvested from multiple infected machines before being packaged by .boxed.pw and released publically in September 2023, continuing a pattern of regular releases from this distributor.

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, change your password immediatly on every account where you use the same email and password combination, enable two-factor authentication, and review recent account activity for anything suspicious.