WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25613a61afc3252a69bd3ff8b4bd180e261a00dacf1da023b80357be62b3aa67a9e
MD57efd4ff709467f3a4de33cd367434861
File Typeexe
Size5174.0 KB
First Seen2026-07-01
File Name13a61afc3252a69bd3ff8b4bd180e261a00dacf1da023b80357be62b3aa67a9e
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: 13a61afc3252a69bd3ff8b4bd180e261a00dacf1da023b80357be62b3aa67a9e
  • MD5: 7efd4ff709467f3a4de33cd367434861

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: 13a61afc3252a69b"
        threat_level = "critical"
        first_seen = "2026-07-01"
    condition:
        hash.sha256(0, filesize) == "13a61afc3252a69bd3ff8b4bd180e261a00dacf1da023b80357be62b3aa67a9e"
}

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 13a61afc3252a69bd3ff8b4bd180e261a00dacf1da023b80357be62b3aa67a9e # MD5 7efd4ff709467f3a4de33cd367434861
TypeValueNote
sha256 13a61afc3252a69bd3ff8b4bd180e261a00dacf1da023b80357be62b3aa67a9e Sample:WannaCry
md5 7efd4ff709467f3a4de33cd367434861 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