WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256388e07de03486681fc310b7a052a2836d772c3adda6c6d92902753feffc8d98d
MD5cc26e5c41e6c3df0e9a056b6c3606401
File Typedll
Size5144.0 KB
First Seen2026-01-04
File Name388e07de03486681fc310b7a052a2836d772c3adda6c6d92902753feffc8d98d
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: 388e07de03486681fc310b7a052a2836d772c3adda6c6d92902753feffc8d98d
  • MD5: cc26e5c41e6c3df0e9a056b6c3606401

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: 388e07de03486681"
        threat_level = "critical"
        first_seen = "2026-01-04"
    condition:
        hash.sha256(0, filesize) == "388e07de03486681fc310b7a052a2836d772c3adda6c6d92902753feffc8d98d"
}

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 388e07de03486681fc310b7a052a2836d772c3adda6c6d92902753feffc8d98d # MD5 cc26e5c41e6c3df0e9a056b6c3606401
TypeValueNote
sha256 388e07de03486681fc310b7a052a2836d772c3adda6c6d92902753feffc8d98d Sample:WannaCry
md5 cc26e5c41e6c3df0e9a056b6c3606401 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