Monster Cloud Free 2: How 41,577 User Records Ended Up on the Dark Web

Monster Cloud Free 2: 41,577 US Credentials From an Oct 2023 Telegram Stealer Dump

On October 22, 2023, a Telegram user uploaded a batch of stealer log files under the "Monster Cloud Free" banner. The second installment in that series -- Monster Cloud Free 2 -- carried 41,577 US credential records: email addresses, plaintext passwords, and URLs captured from malware-infected consumer endpoints. In the breach ecosystem, "Free" releases like this one serve a specific purpose. By distributing a portion of harvested logs at no cost, threat actors demonstrate the viability of their product, attract buyers for premium tiers, and establish credibility within distribution channels. Monster Cloud Free 2 is, in effect, a marketing asset -- but for the 41,577 victims whose credentials appear in it, the impact is identical to any paid release.

Monster Cloud Free 2 (October 2023): Stealer Log Summary

• Records Exposed: 41,577
• Data Types: Email addresses, plaintext passwords, URLs
• Breach Type: Stealer log -- credentials harvested from malware-infected endpoints, not a direct database breach
• Password Type: Plaintext -- captured directly from browser sessions and credential stores by infostealer malware
• Country: United States
• Date Leaked: October 22, 2023

What "Free" Means in the Credential Theft Ecosystem

Breach operators and infostealer log distributors routinely use free releases as an acquisition strategy. A channel that gives away a portion of its inventory -- verified, US-targeted, with plaintext passwords -- builds a reputation that drives traffic to paid offerings. The Oct 22, 2023 dump that included Monster Cloud Free 1, Monster Cloud Free 2, Fire Cloud Free 1, Fire Cloud Free 3, and metacloudvip represents exactly this pattern: a single coordinated release of multiple free batches on the same day, likely from the same operator or affiliated channels. For victums whose records appear in these batches, the "free" designation offers no protection -- the credentials were immediately accessible to anyone monitoring the distribution channel.

Plaintext Passwords From 2023: Still Actionable

Credentials harvested by infostealer malware in late 2023 remain actionable today for any account where the password hasn't been changed. Password reuse is endemic -- the same email/password combination that worked on one service in 2023 may still grant access to banking, email, or social platforms years later. The Oct 22, 2023 leak date means these credentials have been in circulation for over a year, cycling through credential stuffing tools and account takeover campaigns. Victims who haven't rotated passwords since 2023 remain at real risk of account compromise from this and related batches.

Check If Your Data Was Exposed

HEROIC's free breach scanner searches across more than 400 billion exposed records -- including stealer log batches like Monster Cloud Free 2 from October 2023. A scan at HEROIC's breach scanner will tell you if your credentials appear in this or any related batch from the Oct 22, 2023 multi-drop.