StealC | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA25683863006b4dda98ef3dfdf417d11b099fec994d1886ce7e91c4e708e23bb2ba6
MD5f0a638cbbb4b527f74e59f28e372cc40
File Typeexe
Size94289.1 KB
First Seen2025-12-03
File NameXTS.loder.exe
Tagsexe, signed, Stealc

Malware Family: StealC

StealC, stealer'dır.

TypeInfostealer
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeStealer
First Seen Year2023

Threat Indicators (IOC)

  • SHA256: 83863006b4dda98ef3dfdf417d11b099fec994d1886ce7e91c4e708e23bb2ba6
  • MD5: f0a638cbbb4b527f74e59f28e372cc40

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: 83863006b4dda98e"
        threat_level = "high"
        first_seen = "2025-12-03"
    condition:
        hash.sha256(0, filesize) == "83863006b4dda98ef3dfdf417d11b099fec994d1886ce7e91c4e708e23bb2ba6"
}

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 83863006b4dda98ef3dfdf417d11b099fec994d1886ce7e91c4e708e23bb2ba6 # MD5 f0a638cbbb4b527f74e59f28e372cc40
TypeValueNote
sha256 83863006b4dda98ef3dfdf417d11b099fec994d1886ce7e91c4e708e23bb2ba6 Sample:StealC
md5 f0a638cbbb4b527f74e59f28e372cc40 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