CryptBot | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA256b3f8e34bd933c4259f2d7291ca94c5ad6fdb8d5ddbfeffe1adf7af7317062776
MD54282394fd3551742ce3ee710156780a9
File Typeexe
Size406.5 KB
First Seen2021-12-20
File Name4282394fd3551742ce3ee710156780a9.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: b3f8e34bd933c4259f2d7291ca94c5ad6fdb8d5ddbfeffe1adf7af7317062776
  • MD5: 4282394fd3551742ce3ee710156780a9

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: b3f8e34bd933c425"
        threat_level = "high"
        first_seen = "2021-12-20"
    condition:
        hash.sha256(0, filesize) == "b3f8e34bd933c4259f2d7291ca94c5ad6fdb8d5ddbfeffe1adf7af7317062776"
}

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 b3f8e34bd933c4259f2d7291ca94c5ad6fdb8d5ddbfeffe1adf7af7317062776 # MD5 4282394fd3551742ce3ee710156780a9
TypeValueNote
sha256 b3f8e34bd933c4259f2d7291ca94c5ad6fdb8d5ddbfeffe1adf7af7317062776 Sample:CryptBot
md5 4282394fd3551742ce3ee710156780a9 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