StealC | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA256b7bbc5e217162c0d2a5799c78b105037e0707de7eda04a0103a1161d8d604102
MD5539e7a244b149ee72608a34e09cc5aee
File Typeexe
Size13894.2 KB
First Seen2025-12-14
File Namefile
TagsBB1.file, dropped-by-gcleaner, exe, signed, Stealc, x

Malware Family: StealC

StealC, stealer'dır.

TypeInfostealer
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeStealer
First Seen Year2023

Threat Indicators (IOC)

  • SHA256: b7bbc5e217162c0d2a5799c78b105037e0707de7eda04a0103a1161d8d604102
  • MD5: 539e7a244b149ee72608a34e09cc5aee

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network immediately
  2. Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
  3. Move crypto wallets to a new address and abandon the old ones
  4. Start a full scan with up-to-date antivirus
  5. Clear saved browser passwords and enable 2FA
  6. Sign out of all sessions on every affected service

YARA Rule Hints

rule StealC_SHA256 {
    meta:
        description = "StealC sample: b7bbc5e217162c0d"
        threat_level = "high"
        first_seen = "2025-12-14"
    condition:
        hash.sha256(0, filesize) == "b7bbc5e217162c0d2a5799c78b105037e0707de7eda04a0103a1161d8d604102"
}

StealC — Malware Profile

StealC, 2023 yilinda ortaya cikan Go (Golang) tabanlı bir MaaS infostealer ailesidir. Vidar ve Raccoon kaynak kodundan ilham alinarak gelistirildigi dusunulmektedir. 30+ tarayici, kripto cuzdan, FTP istemcisi, email ve Discord/Telegram token hedefler.

Malware Type
Infostealer
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Technical Details

C dili, HTTP POST C2, browser stealer (Chromium/Firefox), kripto wallet stealer (50+ tarayici eklentisi), Telegram stealer, Steam, Discord token stealer, fingerprint modulu

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 (2 indicators)

IOC — StealC
# SHA256 b7bbc5e217162c0d2a5799c78b105037e0707de7eda04a0103a1161d8d604102 # MD5 539e7a244b149ee72608a34e09cc5aee
TypeValueNote
sha256 b7bbc5e217162c0d2a5799c78b105037e0707de7eda04a0103a1161d8d604102 Sample:StealC
md5 539e7a244b149ee72608a34e09cc5aee Sample:StealC

C2 Servers (4 recorded servers for this family)

Address Type Port Protocol Status Country
www.pakistani.org domain — HTTP active —
45.87.152.64 ip 80 HTTP inactive NL
185.174.137.219 ip 80 HTTP inactive RU
godebugs.Info domain — HTTP inactive —

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

Tags
stealcinfostealermalwarehighsha256hash-analizi