StealC | Threat Level: high | Type: Infostealer
Cryptographic Identifiers
| SHA256 | 81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c |
|---|---|
| MD5 | c0cce4c369d536cafb7464bc10a9fa31 |
| File Type | exe |
| Size | 1174.0 KB |
| First Seen | 2025-12-12 |
| File Name | a41b566f81de4c89905cfd4efaaa328e_build.exe |
| Tags | exe, Stealc |
Malware Family: StealC
StealC, stealer'dır.
| Type | Infostealer |
|---|---|
| Programming Language | C |
| Target Platform | Windows |
| C2 Protocol | HTTP |
| Purpose | Stealer |
| First Seen Year | 2023 |
Threat Indicators (IOC)
- SHA256:
81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c - MD5:
c0cce4c369d536cafb7464bc10a9fa31
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Disconnect the system from the network immediately
- Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
- Move crypto wallets to a new address and abandon the old ones
- Start a full scan with up-to-date antivirus
- Clear saved browser passwords and enable 2FA
- Sign out of all sessions on every affected service
YARA Rule Hints
rule StealC_SHA256 {
meta:
description = "StealC sample: 81403f9410cd7508"
threat_level = "high"
first_seen = "2025-12-12"
condition:
hash.sha256(0, filesize) == "81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c"
}
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
81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c
# MD5
c0cce4c369d536cafb7464bc10a9fa31
| Type | Value | Note |
|---|---|---|
| sha256 | 81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c | Sample:StealC |
| md5 | c0cce4c369d536cafb7464bc10a9fa31 | 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.