WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565f77ec5a76d7aeedf0071714d72c6e012db30ac40b9f26793f5aae58b6267197
MD5508a10e644641d0663201a34d1f34a3e
File Typedll
Size5144.0 KB
First Seen2025-01-15
File Name508a10e644641d0663201a34d1f34a3e
Tagsdll, exe, WannaCry

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

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

Threat Indicators (IOC)

  • SHA256: 5f77ec5a76d7aeedf0071714d72c6e012db30ac40b9f26793f5aae58b6267197
  • MD5: 508a10e644641d0663201a34d1f34a3e

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: 5f77ec5a76d7aeed"
        threat_level = "critical"
        first_seen = "2025-01-15"
    condition:
        hash.sha256(0, filesize) == "5f77ec5a76d7aeedf0071714d72c6e012db30ac40b9f26793f5aae58b6267197"
}

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 5f77ec5a76d7aeedf0071714d72c6e012db30ac40b9f26793f5aae58b6267197 # MD5 508a10e644641d0663201a34d1f34a3e
TypeValueNote
sha256 5f77ec5a76d7aeedf0071714d72c6e012db30ac40b9f26793f5aae58b6267197 Sample:WannaCry
md5 508a10e644641d0663201a34d1f34a3e 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