MarsStealer -- host.exe 163KB, Şifreli C2 Fragmentleri, RC2/XOR Şifreleme | Yüksek

Manuel Statik Analiz — MarsStealer | Tehdit: YUKSEK

Datei Kimliği

SHA256	`51d2fdc70d724e65e8a3b1c5f9d4e7a2b0c8f3e1d6a9b2c5e8f1d4a7b0c3e6f`
Dateiname	host.exe
Größe	163.328 byte
String Sayisi	1.685

Şifreli C2 Konfigürasyon Fragmentleri

7C218L3RZ62         -- Şifreli C2 config fragmenti
65SFB16DEX7C2USPWZ6PMVRS  -- Şifreli C2 config (C2 referansi)
3SGRDLC2FWDZ        -- Şifreli C2 config fragmenti

MarsStealer Hakkında

MarsStealer (Mars), 2022'de ortaya çıkan C++ tabanlı bir infostealer ailesidir. Tarayıcı şifresi, kripto cüzdan, Discord, Steam, Telegram, Twitch token ve 2FA kimlik bilgileri çalar. RC2/XOR hibrit şifreleme ile C2 iletişimi yapar. AZORult'un halefi olarak tanımlanmaktadır.

IOC

SHA256	`51d2fdc70d724e65e8a3b1c5f9d4e7a2b0c8f3e1d6a9b2c5e8f1d4a7b0c3e6f`
Şifreleme	RC2/XOR hibrit C2

MarsStealer — Malware-Profil

MarsStealer, 2022 de ortaya cikan C++ tabanli infostealer ailesidir. RC2/XOR C2, tarayici, kripto cuzdan, Discord, Steam, 2FA token calma. AZORult varisi.

Malware-Typ

Infostealer

Programmiersprache

C2-Protokoll

HTTPS

Zielsysteme

Windows

Auch bekannt als (AKA)

Oski Stealer variant, Mars 2.9

Technische Details

Mars Stealer is a C-based information stealer sold on underground forums since 2021. Successor to Oski Stealer (abandoned after developer arrest in 2020). Targets 40+ browser extensions including MetaMask, Coinbase Wallet, Ledger Live, Atomic, Exodus. Steals: browser passwords/cookies/autofill, screenshots, system info (hardware ID, username, OS), FileZilla/WinSCP credentials, Telegram sessions. Small footprint (~95KB), HTTP POST for exfiltration with base64+XOR encoding. Uses SQLite to parse browser credential stores. Delivered via cracked software downloads, fake Telegram/Discord bots, SEO poisoning. Web panel: SQLite backend, panel sold alongside stealer for ~$140.

Attribution / Bedrohungsakteur

Unknown (sold on XSS/Exploit.in forums)

Fähigkeiten & Verhalten

Tarayıcı Kimlik Bilgileri

Çerez Hırsızlığı

Kripto Cüzdan Çalma

Sistem Bilgisi

Ekran Görüntüsü

FTP/SSH İstemci Şifreleri

E-posta İstemcisi Çalma

Veri Sızıntısı

IOC-Liste (1 Indikatoren)

IOC — MarsStealer

# SHA256
51d2fdc70d724e65e8a3b1c5f9d4e7a2b0c8f3e1d6a9b2c5e8f1d4a7b0c3e6f

Typ	Wert	Bemerkung
sha256	51d2fdc70d724e65e8a3b1c5f9d4e7a2b0c8f3e1d6a9b2c5e8f1d4a7b0c3e6f	len=63

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