Lumma Stealer

Malware
48 incidents First seen 2026-01-27 Last seen 2026-10-21
Also known as
LummaStealer
Overview

Lumma Stealer is an information stealer malware family in use since at least 2022. Lumma Stealer is a Malware as a Service (MaaS) where captured data has been sold in criminal markets to Initial Access Brokers.

Threat ecosystem
Actors Malware Campaigns CVEs
Tap a node for a quick look · double-tap to open its profile
At a glance
peak priority 190 40 techniques Windows in ATT&CK since 2025-03-22 updated 2025-03-22 · v1.0
Activity by month (incidents)
2026-012026-10
Sectors targeted
cryptocurrency · 8technology · 8energy · 4health · 4defense · 3education · 3finance · 3government · 3manufacturing · 2media · 2
Countries targeted
CA · 10US · 9GB · 7AU · 6CN · 6FR · 6AT · 5CH · 5DE · 5NZ · 5RU · 5BE · 4
Origin
RU · 7AT · 6CH · 6DE · 6US · 5CA · 4
Kinds of incident
Malware & Botnets · 25Phishing & Social Engineering · 13AI-Enabled Attack · 5Data Breach · 5Industry & Policy · 4Law Enforcement · 4
Techniques seen in incidents
Social Engineering · 15Ransomware · 13T1588.001 - Malware · 13Phishing · 12T1059.001 - PowerShell · 12Exfiltration · 10T1059.006 - Python · 9T1059.007 - JavaScript · 9Extortion · 8Reconnaissance · 6T1589.001 - Credentials · 5Espionage · 4Lateral Movement · 4T1566 - Phishing · 4
Related actors
APT28 · 2Mustang Panda · 2APT42 · 1BlackByte · 1Contagious Interview · 1Dragonfly · 1Salt Typhoon · 1ShinyHunters · 1
Related CVEs
CVE-2008-4128 · 1CVE-2018-0171 · 1CVE-2025-61155 · 1CVE-2025-68613 · 1CVE-2025-68947 · 1CVE-2026-0300 · 1CVE-2026-15409 · 1CVE-2026-15410 · 1CVE-2026-17650 · 1CVE-2026-17656 · 1
ATT&CK techniques by tactic (40)
initial access T1195 Supply Chain Compromise T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link
execution T1059.001 PowerShell T1059.006 Python T1059.010 AutoHotKey & AutoIT T1204 User Execution T1204.002 Malicious File T1574.001 DLL
persistence T1176.001 Browser Extensions T1547.001 Registry Run Keys / Startup Folder
privilege escalation T1055.012 Process Hollowing T1547.001 Registry Run Keys / Startup Folder
credential access T1539 Steal Web Session Cookie T1555.003 Credentials from Web Browsers
discovery T1082 System Information Discovery T1217 Browser Information Discovery T1497.001 System Checks T1518.001 Security Software Discovery T1622 Debugger Evasion
collection T1074.001 Local Data Staging T1113 Screen Capture T1119 Automated Collection
command and control T1071.001 Web Protocols T1573.002 Asymmetric Cryptography
exfiltration T1041 Exfiltration Over C2 Channel
stealth T1027 Obfuscated Files or Information T1027.013 Encrypted/Encoded File T1036.008 Masquerade File Type T1055.012 Process Hollowing T1140 Deobfuscate/Decode Files or Information T1218.005 Mshta T1218.015 Electron Applications T1497.001 System Checks T1564.003 Hidden Window T1574.001 DLL T1620 Reflective Code Loading T1622 Debugger Evasion
defense impairment T1553.002 Code Signing T1685 Disable or Modify Tools
Incident timeline
2026-10-21
Amazon-Themed ClickFix Campaign Serves Up Finger-Licking Malware
AlienVault OTX
2026-10-21
Decades-Old Windows Utility Powers Modern ClickFix Attack
2026-10-02
RemusStealer: EtherHiding In Hidden Windows
AlienVault OTX
2026-09-25
SectopRAT Abuses Legitimate Audio Software Files to Steal PC Data
2026-09-10
The Top 4 Threats We Found by Investigating Every Alert for a Quarter
2026-09-08
Autonomous AI Agents Compromise Thousands of Credentials in Under Six Hours
2026-08-26
El estreno de La Odisea gancho para una campaña de malware
2026-08-24
Foul Language: WordlistLoader Disguises Malware as Ordinary Text
2026-08-19
Fake AI, real malware: Attackers impersonating AI brands
2026-08-10
Solidity Pro VS Code Extensions Steal Crypto Wallets, API Keys, and Credentials
2026-08-07
ClickFix Attacks Deliver macOS Stealer That Can Drain Crypto Wallets
2026-07-30
ThreatsDay: AI-Powered Hacking, 370 Chrome Flaws, SonicWall Attacks, DNS Hijacking + 22 More Stories
2026-07-30
AiTM Phishing Becomes Top Initial Access Threat to Law Firms
2026-07-21
FakeGit campaign uses 7,600 GitHub repos to push SmartLoader malware
2026-07-20
Fake games spread stealers with RenPy Loader, MSBuild and EtherHiding
2026-07-14
ClickFix's Mushrooming Ecosystem Demands New Defense Tactics
2026-07-13
EU sanctions Russian GRU military hackers over cyberattacks
2026-07-12
Russia's FSB blamed for Poland grid attack as UK and EU impose first joint cyber sanctions
2026-07-07
Vidar Stealer Unmasked: Code Signing Abuse, Go Loaders and File Inflation
2026-07-03
The Anatomy of a Shadow AI Supply-Chain Breach: Lessons from the 2026 Vercel Incident
2026-06-18
Retro gaming fans are the new target for fake GitHub malware
2026-06-04
Fake Sites Mimicking Open-Source Tools Rank High on Google to Deliver Malware via TDS
2026-05-28
Resecurity Supports Microsoft DCU in Disrupting Fox Tempest ’s Cybercriminal Code-Signing Ecosystem
2026-05-27
Thousands of Fake FIFA Domains Target World Cup Fans
2026-05-27
Thousands of Fake FIFA Domains Target World Cup Fans
2026-05-21
Microsoft desmantela Fox Tempest, el servicio que hacía pasar malware por software seguro
2026-05-19
Microsoft disrupts Fox Tempest malware-signing-as-a-service platform tied to ransomware gangs
2026-05-15
Inside the REMUS Infostealer: Session Theft, MaaS, and Rapid Evolution
2026-05-06
Yet Another Way to Bypass Google Chrome's Encryption Protection
2026-04-23
Vercel attack fallout expands to more customers and third-party systems
2026-04-20
Vercel’s security breach started with malware disguised as Roblox cheats
2026-03-20
Justice Department disrupts botnet networks that hijacked 3 million devices
2026-03-07
Termite ransomware breaches linked to ClickFix CastleRAT attacks
2026-03-06
Microsoft spots ClickFix campaign getting users to self-pwn on Windows Terminal
2026-03-06
Microsoft warns of ClickFix campaign exploiting Windows Terminal to deliver Lumma Stealer
2026-03-06
Microsoft Reveals ClickFix Campaign Using Windows Terminal to Deploy Lumma Stealer
2026-03-04
Global coalition dismantles Tycoon 2FA phishing kit
2026-02-15
Microsoft Discloses DNS-Based ClickFix Attack Using Nslookup for Malware Staging
2026-02-11
LummaStealer infections surge after CastleLoader malware campaigns
2026-02-11
The game is over: when “free” comes at too high a price. What we know about RenEngine
2026-02-10
Reynolds Ransomware Embeds BYOVD Driver to Disable EDR Security Tools
2026-01-27
ClickFix Attacks Expand Using Fake CAPTCHAs, Microsoft Scripts, and Trusted Web Services