CryptBot | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA256b3b3cb479e984bd02b278d6ca628284287d09d62db1bca1fa3b7e682b0559b8a
MD5cd3773d73a3dbecaf09dcb90d82c9e5d
File Typeexe
Size795.0 KB
First Seen2023-03-05
File Namecd3773d73a3dbecaf09dcb90d82c9e5d.exe
TagsCryptBot, exe

Malware Family: CryptBot

CryptBot, Google Ads ile yayılır.

TypeInfostealer
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeGoogle Ads stealer
First Seen Year2019

Threat Indicators (IOC)

  • SHA256: b3b3cb479e984bd02b278d6ca628284287d09d62db1bca1fa3b7e682b0559b8a
  • MD5: cd3773d73a3dbecaf09dcb90d82c9e5d

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 CryptBot_SHA256 {
    meta:
        description = "CryptBot sample: b3b3cb479e984bd0"
        threat_level = "high"
        first_seen = "2023-03-05"
    condition:
        hash.sha256(0, filesize) == "b3b3cb479e984bd02b278d6ca628284287d09d62db1bca1fa3b7e682b0559b8a"
}

Cryptbot — Malware Profile

CryptBot, 2019 dan beri aktif Delphi/VCL tabanli infostealer ailesidir. Google Ads ile sahte yazilim dagitimi. Tarayici, kripto cuzdan veri calma.

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

Technical Details

Infostealer ailesi: TCP C2 protokolu, kalicilik mekanizmasi (Registry/Task Scheduler), keylogger, ekran goruntüsü, uzak kabuk, dosya yoneticisi, process manager, anti-analiz kontrolleri

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 — CryptBot
# SHA256 b3b3cb479e984bd02b278d6ca628284287d09d62db1bca1fa3b7e682b0559b8a # MD5 cd3773d73a3dbecaf09dcb90d82c9e5d
TypeValueNote
sha256 b3b3cb479e984bd02b278d6ca628284287d09d62db1bca1fa3b7e682b0559b8a Sample:CryptBot
md5 cd3773d73a3dbecaf09dcb90d82c9e5d Sample:CryptBot

C2 Servers (2 recorded servers for this family)

Address Type Port Protocol Status Country
195.133.40.89 ip 80 HTTP active RU
45.135.232.176 ip 80 HTTP inactive DE

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

Tags
cryptbotinfostealermalwarehighsha256hash-analizi