WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561efeb45e798ee5a11636079c97935f4a7bd4367f7576109c7a11c907cf4a7904
MD58ad98cf19d561c4cc2de3858ade48732
File Typeexe
Size5174.0 KB
First Seen2026-06-09
File Name1efeb45e798ee5a11636079c97935f4a7bd4367f7576109c7a11c907cf4a7904
Tagsdionaea, exe, 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: 1efeb45e798ee5a11636079c97935f4a7bd4367f7576109c7a11c907cf4a7904
  • MD5: 8ad98cf19d561c4cc2de3858ade48732

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: 1efeb45e798ee5a1"
        threat_level = "critical"
        first_seen = "2026-06-09"
    condition:
        hash.sha256(0, filesize) == "1efeb45e798ee5a11636079c97935f4a7bd4367f7576109c7a11c907cf4a7904"
}

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 1efeb45e798ee5a11636079c97935f4a7bd4367f7576109c7a11c907cf4a7904 # MD5 8ad98cf19d561c4cc2de3858ade48732
TypeValueNote
sha256 1efeb45e798ee5a11636079c97935f4a7bd4367f7576109c7a11c907cf4a7904 Sample:WannaCry
md5 8ad98cf19d561c4cc2de3858ade48732 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