CRYPTON_LOGS Breach Puts 6,287 Credential Records at Risk

What Happened

On October 22, 2024, a Telegram user published a stealer log file labeled CRYPTON_LOGS 299PCS. The drop contained 6,287 records harvested from infostealer-infected endpoints and was posted openly on a public channel, giving any threat actor browsing the feed instant access to working credentials. This is the sister drop to CRYPTON_LOGS 301PCS and is part of a recurring campaign from the same operator.

Data Exposed

• Email addresses (6,287 records)
• Plaintext passwords with zero cryptographic protection
• URLs and API host endpoints paired to each credential

The structured log format means attackers can feed the file directly into credential-stuffing tools with no preprocessing.

Who Is Affected

Victims are end users whose personal devices were compromised by commodity infostealer malware. Because stealers sweep every saved login in the browser, exposure typically includes banking, webmail, social media, streaming, and work SSO portals. Employers of victims are indirectly exposed when work credentials are present.

How the Data Leaked

Infostealer malware (RedLine, Raccoon, Vidar, Lumma, StealC) typically arrives through pirated software, fake installers, malicious ads, or phishing attachments. Once resident, it quietly extracts browser credential stores, cookies, and autofill data, then ships them to the operator. Log bundles like CRYPTON_LOGS 299PCS are repackaged and dropped on Telegram to build reputation or funnel subscribers into paid tiers.

Risks to Users

• Instant account takeover since credentials are plaintext
• Credential stuffing against every other service with a matching password
• Corporate network intrusion via exposed API host entries
• Session hijacking if cookies were included in the original log
• Financial fraud, identity theft, and targeted phishing using the full URL-to-password map

What You Should Do

1. Run a full malware scan on every household and work device.
2. Change every password saved in your browser, starting with email and banking.
3. Force logout of all active sessions to invalidate stolen cookies.
4. Move to a password manager with unique, random passwords per site.
5. Turn on MFA everywhere, ideally with hardware keys or passkeys.
6. Check your email against HEROIC's 400B+ breach record index to confirm whether you appear in CRYPTON_LOGS 299PCS or related leaks.

HEROIC continuously monitors Telegram and dark web sources so you can detect credential exposure early and respond before attackers strike.