Telegram Threat Actor Exposes DumpsCloud2-logsdiller 1 Data: 6,960 Records at Risk

On December 20th, 2024, a Telegram threat actor uploaded a stealer log file labeled "DumpsCloud2-logsdiller 1" carrying 6,960 records from compromised endpoints in the United States. The data included plaintext passwords, email adresses, and API host URLs collected directly from infected machines. Despite the relatively modest record count, the type of data exposed makes this breach more dangerous than its size might suggest.

Why This Is Dangerous

The combination of plaintext passwords and API host URLs in a single dataset is a particularly serious problem. Most breaches expose credentials tied to consumer accounts. This one also includes API endpoints, which means some victims may have had developer or service credentials captured, giving attackers a path into backend systems rather than just front-end accounts.

Because the passwords are in plaintext, there is zero additional effort required to use them. An attacker can copy a row from this file and attempt to log in somewhere within seconds. For victims who reuse passwords across services, one entry in this log can turn into dozens of compromised accounts.

The Telegram distribution method also means this data was not carefully controlled. Files shared on Telegram channels can be forwarded, archived, and redistributed indefinitely. Even if the original post was removed, the data likely persists in multiple locations across the internet and underground communities.

What Was Exposed

• Email addresses
• Plaintext passwords
• API host URLs and service endpoints
• Browser-saved credentials
• Device and endpoint connection data
• Authentication session data (likely)
• Application-layer access credentials (likely)

Why This Matters

This breach occured just months prior to being indexed, which means credentials in the DumpsCloud2-logsdiller 1 dataset may still be active. Unlike breaches from several years ago where many passwords may have been changed over time, credentials from December 2024 have had very little time to age out. The risk of active account compromise is high for anyone in this dataset who has not changed their passwords.

The file name format, with the DumpsCloud2 prefix and logsdiller label, is consistent with naming patterns used by organized stealer log distribution channels on Telegram. This suggests the actor has an established operation and may have posted many similar files before and after this one, meaning broader exposure is possible beyond this single dataset.

How Stealer Log Works

Stealer malware is designed to harvest credentials from infected devices without the victim knowing. It is typically delivered through phishing emails, fake software cracks, or malicious ads that lead to trojanized downloads. Once on a victim's machine, it runs silently, scanning browsers, apps, and system storage for saved login data.

The harvested data is packaged into a structured log file and sent to the attacker, often automatically through a Telegram bot or cloud relay. The attacker then decides whether to use the logs personally, sell them to other criminals, or share them freely to build credibility in underground communities.

The term "logsdiller" in the file name suggests the uploader operates as a log dealer, someone who acquires and resells stealer log packages. This is a common role in the cybercrime ecosystem where intermediaries buy logs from malware operators and distribute them seperately to buyers or post them publicly. Victims in these datasets can end up in multiple collections as their data gets passed between actors over time.

Check If You Were Affected

If you are concerned your credentials may have been captured in the DumpsCloud2-logsdiller 1 breach or any other stealer log, check your exposure now at heroic.com. HEROIC's breach checker searches across thousands of known breach datasets and stealer log collections, so you can find out quickly if your information is out there and take action to secure your accounts before someone else does.