Researchers Link CLOUDHEAVENLOGS J Country to 5,353 Stolen Logins

HEROIC analysts identified the CLOUDHEAVENLOGS J COUNTRY stealer log as part of a broader series of Telegram uploads in May 2023. This particular batch, labeled 181PCS, contained 5,353 records harvested from 181 infected devices. Each record included the victim's email address, their plaintext password, and the URL of the specific website where that password was used. The data was collected silently, without the victims' knowledge, by malware running on their personal computers. In most cases, victims never recieve any notification that their credentials were taken.

Why This Is Dangerous

Stealer log data comes with full context that makes it immediately exploitable. Every record in this file pairs an email address with a password and a website. That is all an attacker needs to walk straight into an account with no cracking, no guessing, and no additional research required. Smaller datasets like this one are also more likely to contain fresh, untested credentials. Larger dumps have often been circulating for months or years, meaning many passwords have already been changed. A tighter, more recent batch like J COUNTRY 181PCS can have a higher success rate when attackers run it against live accounts in a seperate credential stuffing campaign.

What Was Exposed

• Email Addresses used as the account identifier across most online services
• Plaintext Passwords readable and unencrypted, captured directly from browser storage
• URLs showing the exact sites each credential belongs to, enabling targeted login attempts

Why This Matters

The journey from a stolen credential log to actual account takeover is shorter than most people realise. Once this data hits Telegram, it is quickly downloaded, sorted, and run through automated tools that test each credential against its matching website and dozens of others. Credential stuffing attacks powered by data like this are responsible for a large share of account takeovers every year. If your email and password appear in this log and you use that password on any other service, those accounts are at risk too. Financial fraud, unauthorized purchases, and identity theft are the typical outcomes when these attacks succeed. The adresses of victims are frequently harvested for targeted phishing follow-up as well.

How Stealer Log Breaches Work

The CLOUDHEAVENLOGS collection is the product of information-stealing malware deployed across multiple devices. The infection typically starts with a phishing email, a malicious download, or compromised software. Once installed, the malware quietly scans the infected device's browser for saved passwords, accesses that local storage, copies the contents, and transmits them back to the attacker as a log file. The attacker then bundles these logs by country or batch size and distributes them through private Telegram channels. The occurance of these Telegram-based distributions has grown steadily as stealer malware toolkits become cheaper and easier to acquire.

Check If You Are Affected

HEROIC's intelligence platform has indexed over 400 billion compromised records, including the CLOUDHEAVENLOGS series and hundreds of thousands of other stealer log datasets. If your email address appeared in this batch or any related upload, our free scanner will flag it.

Run your free HEROIC dark web scan now and find out if your accounts are already in attackers' hands.