Info Stealer

Lumma Stealer

First seen: 2022-08 • Status: active

Currently Active Threat

Lumma is a password-stealing program that criminals can rent for about $250/month. It grabs saved passwords from your browsers, steals cryptocurrency wallet data, and even tries to bypass two-factor authentication. It often spreads through fake software downloads or sketchy ads.

Overview

Lumma Stealer is a popular information-stealing malware sold as Malware-as-a-Service (MaaS). It targets browser credentials, cryptocurrency wallets, and two-factor authentication extensions. Lumma is distributed through various channels including fake software downloads, malvertising, and phishing campaigns.

Also Known As

LummaC2, Lumma, LummaStealer

How It Spreads

  • • Malicious Google Ads leading to fake software sites
  • • Fake software crack downloads
  • • Phishing emails with malicious attachments
  • • Compromised legitimate websites
  • • YouTube video descriptions with malicious links

What It Does

  • • Steals browser saved passwords and cookies
  • • Extracts cryptocurrency wallet data
  • • Captures 2FA browser extension data
  • • Harvests Discord and Telegram tokens
  • • Collects system and installed software information
  • • Takes screenshots

Is your business exposed?

Target Platforms

Windows 10, Windows 11

Detection Tips

  • • Monitor for processes accessing browser credential files
  • • Alert on outbound connections to newly registered domains
  • • Watch for processes reading cryptocurrency wallet files
  • • Detect execution from Downloads or Temp folders
  • • Monitor PowerShell execution with encoded commands

MITRE ATT&CK Techniques

T1555, T1539, T1552, T1113, T1005

If You're Infected

  1. 1.

    Isolate infected machine from network

  2. 2.

    Reset ALL passwords - browsers save everything

  3. 3.

    Revoke and regenerate 2FA codes where possible

  4. 4.

    Transfer cryptocurrency to new wallets immediately

  5. 5.

    Run full antivirus scan and consider reimaging

    Malwarebytes →

  6. 6.

    Enable MFA on all accounts (use hardware keys if possible)

Is your business exposed?

Check if your company data is circulating on the dark web

Free scan • No credit card required