Info Stealer

Mars Stealer

First seen: 2021-06 • Status: active

Currently Active Threat

Mars Stealer is a newer, lighter password stealer. It specifically targets 2FA browser extensions, making it extra dangerous.

Overview

Mars Stealer was marketed as a successor to Oski Stealer. It is lightweight and targets browser credentials, 2FA extensions, and crypto wallets.

Also Known As

Mars

How It Spreads

  • Malvertising
  • Cracked software
  • Phishing

What It Does

  • 2FA extension theft
  • Browser credential theft
  • Crypto wallet theft

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Target Platforms

Windows

Detection Tips

  • Watch for browser extension access

MITRE ATT&CK Techniques

T1555, T1539

If You're Infected

  1. 1.

    Reset 2FA on all accounts

  2. 2.

    Change all passwords

Related Malware

Redline Stealer, Stealc

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