WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b90382ed0462a0c27a4edec0bc952549846f0616e2e4c700d9c2da065bb28208
MD557967b6e7787ff7365db472b97691ca1
File Typedll
Size5144.0 KB
First Seen2026-03-11
File Nameb90382ed0462a0c27a4edec0bc952549846f0616e2e4c700d9c2da065bb28208
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: b90382ed0462a0c27a4edec0bc952549846f0616e2e4c700d9c2da065bb28208
  • MD5: 57967b6e7787ff7365db472b97691ca1

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: b90382ed0462a0c2"
        threat_level = "critical"
        first_seen = "2026-03-11"
    condition:
        hash.sha256(0, filesize) == "b90382ed0462a0c27a4edec0bc952549846f0616e2e4c700d9c2da065bb28208"
}

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 b90382ed0462a0c27a4edec0bc952549846f0616e2e4c700d9c2da065bb28208 # MD5 57967b6e7787ff7365db472b97691ca1
TypeValueNote
sha256 b90382ed0462a0c27a4edec0bc952549846f0616e2e4c700d9c2da065bb28208 Sample:WannaCry
md5 57967b6e7787ff7365db472b97691ca1 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