LummaStealer Malware Analysis

File Properties

SHA256: fbd439ccc92eb7001421e0cd50efaffa599cc4d3856e65799e51ed64a93bdf1f

MD5: 2c38d87650929640b2f04d813e1e6224

File Type: exe

Size: 536,723 byte

First Seen: 2026-04-07

AV Signature: LummaStealer

Imphash: f34d5f2d4577ed6d9ceec516c1f5a744

Reported By: threatcat_ch

Tags: exe, LummaStealer

Static analysis: metadata-based (sample not downloaded)

LummaStealer — Malware Profile

LummaStealer (LummaC2) is a C-based infostealer sold as MaaS. Steals credentials, crypto wallets, browser data. Highly active 2023-2025. Uses dead drop resolvers.

Malware Type
Infostealer
Programming Language
C
C2 Protocol
HTTPS
Target Systems
Windows
Also Known As (AKA)
LummaC2, Lumma C2, lummac

Technical Details

LummaStealer (LummaC2) is a C-based information stealer sold as Malware-as-a-Service since 2022. Targets 40+ browser extensions, crypto wallets (MetaMask, Exodus, Electrum, Binance, Coinbase, Atomic), browser credentials/cookies, 2FA authenticator databases, FTP clients, and custom file patterns. Uses dead drop resolvers: Steam profiles, Telegram channels, GitLab repositories to retrieve current C2 address. Anti-sandbox: CSPRNG-based timing checks, VM artifact detection, sleep timers. Delivered via fake software cracks, YouTube video descriptions, SEO-poisoned download pages. C2 communication: HTTPS POST to /c2sock or /api endpoint. Highly active 2023-2025, frequent updates to bypass AV detection.

Attribution / Threat Actor

Unknown (Eastern European actor suspected)

Capabilities & Behavior

Tarayıcı Kimlik Bilgileri
Çerez Hırsızlığı
Kripto Cüzdan Çalma
Sistem Bilgisi
Ekran Görüntüsü
FTP/SSH İstemci Şifreleri
E-posta İstemcisi Çalma
Veri Sızıntısı

IOC List (1 indicators)

IOC — LummaStealer
# FILEPATH fbd439ccc92eb7001421e0cd50efaffa599cc4d3856e65799e51ed64a93bdf1f
TypeValueNote
filepath fbd439ccc92eb7001421e0cd50efaffa599cc4d3856e65799e51ed64a93bdf1f PDB

C2 Servers (4 recorded servers for this family)

Address Type Port Protocol Status Country
45.133.174.124 ip 443 HTTPS inactive US
194.165.16.77 ip 443 HTTPS inactive RU
94.156.66.79 ip 443 HTTPS inactive RU
185.196.8.210 ip 443 HTTPS inactive RU

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
exeLummaStealer