Your Accounts Are at Risk Because of the BananaLogs Breach: 6,481 Credentials Exposed

HEROIC's threat intelligence team discovered a stealer log file uploaded to a public Telegram channel on November 10, 2023. The file, known as BananaLogs 357count and attributed to an anonymous Telegram user, contained 6,481 records tied to compromised endpoints. Each record included an email address, a plaintext password, and a URL, pointing to credentials harvested directly from infected devices. This type of exposure is particularly dangerous because the passwords were stored in plain text, meaning anyone who obtained the file could use them immediatley without any additional effort or technical skill.

Why This Is Dangerous

Stealer logs represent one of the most efficient tools in a cybercriminal's arsenal. Once a device is infected with infostealer malware, every password saved in a browser or application can be captured and packaged into a log file. That file is then shared or sold, often on Telegram or dark web forums, where other criminals use it to break into accounts. Because the passwords in this breach were plaintext, there was no encryption barrier to overcome. Anyone with the file had immediate, usable access to thousands of credentials. The risk of account takeover and credential stuffing attacks is extremely high for anyone included in this leak.

What Was Exposed

The following types of personal and account data were included in the BananaLogs stealer log file:

• Email Addresses
• Plaintext Passwords
• URLs (indicating the sites or services the credentials belong to)

Why This Matters

Six thousand four hundred eighty-one exposed records may seem modest compared to mega-breaches, but the impact on each affected individual is just as serious. Plaintext passwords paired with email addresses and the specific URLs where they were used gives attackers a precise roadmap to your accounts. If you reuse the same password across multiple services, a breach like this creates a domino effect. One exposed credential can lead to unauthorized access across email, banking, social media, and more. The data from this leak may have already been traded or sold multiple times since November 2023, meaning your credentials could have circulated in criminal networks for years before you learned about it. The exposure does not expire just because time has passed. Criminals regularly revisit older stealer log data because many people never change their passwords after a breach, making the credentials still valid and exploitable long after the original theft occured.

How Stealer Logs Work

A stealer log is created when malware infects a device and silently copies sensitive information before the user realizes anything is wrong. The malware, commonly called an infostealer, targets saved passwords in browsers like Chrome and Firefox, autofill data, session cookies, and active logins. The stolen data is then packaged into a structured log file and uploaded to a channel where other bad actors can download and use it. In this case, the log was uploaded to Telegram, which has become a popular distribution platform for stolen credential files due to its ease of use and massive user base. Victims of stealer log breaches often have no idea their device was ever compremised, making it critical to check whether your data appeared in known leaks and take protective action immediately.

Check If You Are Affected

HEROIC offers a free scanner that checks your email address against more than 400 billion leaked records, including stealer log files like BananaLogs 357count. If your credentials were part of this breach or any other known leak, our tool will flag it instantly so you can take action. Changing your passwords, enabling two-factor authentication, and using a password manager are the most effective steps after a credential exposure. Do not wait to find out the hard way that your account has been accessed. Run a free scan now and see exactly what data about you is circulating in known breaches.