StealC | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA256a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3
MD5c0f539f5c7b3b42359d1c56d864bfe7d
File Typeexe
Size3318.4 KB
First Seen2026-06-22
File Namefps boost fix.exe
Tagsexe, signed, Stealc, stealer, vidar

Malware Family: StealC

StealC, 2023'te ortaya çıktı.

TypeInfostealer
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeHafif infostealer
First Seen Year2023

Threat Indicators (IOC)

  • SHA256: a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3
  • MD5: c0f539f5c7b3b42359d1c56d864bfe7d

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: a38e30fc95d2a59e"
        threat_level = "high"
        first_seen = "2026-06-22"
    condition:
        hash.sha256(0, filesize) == "a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3"
}

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 a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3 # MD5 c0f539f5c7b3b42359d1c56d864bfe7d
TypeValueNote
sha256 a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3 Sample:StealC
md5 c0f539f5c7b3b42359d1c56d864bfe7d 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