WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b76c49cbb1a72437bb687db48f42525d3073a3a0356b7fef0220f707e0547539
MD5132cd5c5c2266a5f712bb76fc2e42c3b
File Typedll
Size5144.0 KB
First Seen2026-01-04
File Nameb76c49cbb1a72437bb687db48f42525d3073a3a0356b7fef0220f707e0547539
Tagsdll, eternalblue, honeypot, SMB, WannaCry

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 Protocol
PurposeSMB ransomware
First Seen Year2017
AliasesWannaCrypt

Threat Indicators (IOC)

  • SHA256: b76c49cbb1a72437bb687db48f42525d3073a3a0356b7fef0220f707e0547539
  • MD5: 132cd5c5c2266a5f712bb76fc2e42c3b

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: b76c49cbb1a72437"
        threat_level = "critical"
        first_seen = "2026-01-04"
    condition:
        hash.sha256(0, filesize) == "b76c49cbb1a72437bb687db48f42525d3073a3a0356b7fef0220f707e0547539"
}

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 b76c49cbb1a72437bb687db48f42525d3073a3a0356b7fef0220f707e0547539 # MD5 132cd5c5c2266a5f712bb76fc2e42c3b
TypeValueNote
sha256 b76c49cbb1a72437bb687db48f42525d3073a3a0356b7fef0220f707e0547539 Sample:WannaCry
md5 132cd5c5c2266a5f712bb76fc2e42c3b 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