How Malware Led to 54,992 Stolen Logins in the Austria 5 Dump

In January 2023, a stealer log collection labeled "Austria 5" was uploaded to Telegram, exposing 54,992 credential records stolen by infostealer malware. HEROIC's threat intelligence team identified the dump as containing email addresses paired with plaintext passwords and the specific URLs where victims had entered their credentials—all captured without their knowledge.

Plaintext Passwords: No Barrier Between Attackers and Your Accounts

The credentials in this dump require no decryption to exploit. Each password is stored exactly as the victim typed it, making it instantly usable by anyone who obtains the file. Unlike breaches where passwords are hashed, plaintext exposure means there is zero delay between a criminal downloading this file and attempting to access your accounts.

What Was Exposed

• Email Addresses – Link victims to their online accounts and enable targeted social engineering
• Plaintext Passwords – Fully readable credentials requiring no cracking
• URLs – Identify the exact websites and portals where stolen credentials were used

The Credential Stuffing Threat Multiplied by 54,992

Each record in this dump is a potential key to multiple accounts. Attackers feed stolen email-password combinations into automated tools that test them across banking sites, email providers, cloud services, and e-commerce platforms. With nearly 55,000 credential pairs available, the scale of potential account compromise is significant—especially for anyone who has ever reused a password.

From Infection to Telegram: The Stealer Log Pipeline

Stealer logs begin with a malware infection. Programs such as RedLine, Vidar, or Aurora are distributed through malicious ads, pirated software, and phishing attachments. Once on a device, the malware harvests saved passwords from browsers, extracts cookies and session tokens, and records autofill data. The stolen information is compiled into structured log files, which are then sold in bulk or shared freely on Telegram channels—exactly how the Austria 5 dump surfaced.

Check If Your Credentials Were Exposed

With 54,992 records in this single dump, the odds of being affected are real. HEROIC's breach scanner searches across more than 400 billion compromised records to tell you exactly which breaches include your data. Enter your email address to check whether your credentials appeared in the Austria 5 leak or in any of the thousands of other breaches in the HEROIC database.