WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f7dd3debf228aff0e0d73741d535db12358ff0120e8775ded3e28e82136140c2
MD5c67d51d83bc01572ca8c16a844dd7c72
File Typedll
Size5144.0 KB
First Seen2026-03-12
File Namef7dd3debf228aff0e0d73741d535db12358ff0120e8775ded3e28e82136140c2
Tagsdll, 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: f7dd3debf228aff0e0d73741d535db12358ff0120e8775ded3e28e82136140c2
  • MD5: c67d51d83bc01572ca8c16a844dd7c72

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: f7dd3debf228aff0"
        threat_level = "critical"
        first_seen = "2026-03-12"
    condition:
        hash.sha256(0, filesize) == "f7dd3debf228aff0e0d73741d535db12358ff0120e8775ded3e28e82136140c2"
}

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 f7dd3debf228aff0e0d73741d535db12358ff0120e8775ded3e28e82136140c2 # MD5 c67d51d83bc01572ca8c16a844dd7c72
TypeValueNote
sha256 f7dd3debf228aff0e0d73741d535db12358ff0120e8775ded3e28e82136140c2 Sample:WannaCry
md5 c67d51d83bc01572ca8c16a844dd7c72 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