WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561fc5e4c8809b39d79324848bceac749000ea572d050c81275ae3053a83ba7d12
MD58e6635b3dcb090c8478fc392ca94722e
File Typedll
Size5144.0 KB
First Seen2025-01-15
File Name8e6635b3dcb090c8478fc392ca94722e
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: 1fc5e4c8809b39d79324848bceac749000ea572d050c81275ae3053a83ba7d12
  • MD5: 8e6635b3dcb090c8478fc392ca94722e

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: 1fc5e4c8809b39d7"
        threat_level = "critical"
        first_seen = "2025-01-15"
    condition:
        hash.sha256(0, filesize) == "1fc5e4c8809b39d79324848bceac749000ea572d050c81275ae3053a83ba7d12"
}

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 1fc5e4c8809b39d79324848bceac749000ea572d050c81275ae3053a83ba7d12 # MD5 8e6635b3dcb090c8478fc392ca94722e
TypeValueNote
sha256 1fc5e4c8809b39d79324848bceac749000ea572d050c81275ae3053a83ba7d12 Sample:WannaCry
md5 8e6635b3dcb090c8478fc392ca94722e 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