WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25659a94320888f10f0c4897f49ddfda96a2f2a4d026d2db0a7d84d87accc4ed5d2
MD5f533d98dedd515845f2b1f6608d94985
File Typedll
Size5144.0 KB
First Seen2026-01-04
File Name59a94320888f10f0c4897f49ddfda96a2f2a4d026d2db0a7d84d87accc4ed5d2
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: 59a94320888f10f0c4897f49ddfda96a2f2a4d026d2db0a7d84d87accc4ed5d2
  • MD5: f533d98dedd515845f2b1f6608d94985

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: 59a94320888f10f0"
        threat_level = "critical"
        first_seen = "2026-01-04"
    condition:
        hash.sha256(0, filesize) == "59a94320888f10f0c4897f49ddfda96a2f2a4d026d2db0a7d84d87accc4ed5d2"
}

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 59a94320888f10f0c4897f49ddfda96a2f2a4d026d2db0a7d84d87accc4ed5d2 # MD5 f533d98dedd515845f2b1f6608d94985
TypeValueNote
sha256 59a94320888f10f0c4897f49ddfda96a2f2a4d026d2db0a7d84d87accc4ed5d2 Sample:WannaCry
md5 f533d98dedd515845f2b1f6608d94985 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