WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ca66d96b074b784b8a3cbd9492053e56e2cb630ed1a929cfc94f412d7a54cc40
MD5719e3211a56696c1eaaece793d90b064
File Typedll
Size5144.0 KB
First Seen2026-01-04
File Nameca66d96b074b784b8a3cbd9492053e56e2cb630ed1a929cfc94f412d7a54cc40
Tagsdll, eternalblue, honeypot, SMB, WannaCry

Malware Family: WannaCry

WannaCry, 200K+ sistemi etkiledi.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 Protocol
PurposeKüresel SMB saldırısı
First Seen Year2017
AliasesWannaCrypt

Threat Indicators (IOC)

  • SHA256: ca66d96b074b784b8a3cbd9492053e56e2cb630ed1a929cfc94f412d7a54cc40
  • MD5: 719e3211a56696c1eaaece793d90b064

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule WannaCry_SHA256 {
    meta:
        description = "WannaCry sample: ca66d96b074b784b"
        threat_level = "critical"
        first_seen = "2026-01-04"
    condition:
        hash.sha256(0, filesize) == "ca66d96b074b784b8a3cbd9492053e56e2cb630ed1a929cfc94f412d7a54cc40"
}

WannaCry — Malware Profile

WannaCry EternalBlue SMB ransomware. 2017 NSA açık. RSA public key hardcoded. ChangeServiceConfig2A servis kalıcılığı. 150+ ülke.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
Target Systems
Windows
Also Known As (AKA)
WannaCrypt

Technical Details

EternalBlue SMB exploit (CVE-2017-0144), DoublePulsar backdoor, kill-switch domain (registrasyonla durduruldu), RSA-2048 + AES-128-CBC sifreleme, .WNCRY dosya uzantisi, Tor C2

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — WannaCry
# SHA256 ca66d96b074b784b8a3cbd9492053e56e2cb630ed1a929cfc94f412d7a54cc40 # MD5 719e3211a56696c1eaaece793d90b064
TypeValueNote
sha256 ca66d96b074b784b8a3cbd9492053e56e2cb630ed1a929cfc94f412d7a54cc40 Sample:WannaCry
md5 719e3211a56696c1eaaece793d90b064 Sample:WannaCry

C2 Servers (3 recorded servers for this family)

Address Type Port Protocol Status Country
iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com domain 80 TCP sinkholed —
www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com domain 443 TCP sinkholed —
www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.com domain 443 TCP sinkholed —

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

Tags
wannacryransomwaremalwarecriticalsha256hash-analizi