WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567e23bc917a20d06704a1647965dc8d9e57c71915486615a9a28cb321727b9a10
MD538dfaea8b45c03991326549863c323c3
File Typedll
Size5144.0 KB
First Seen2026-01-04
File Name7e23bc917a20d06704a1647965dc8d9e57c71915486615a9a28cb321727b9a10
Tagsdll, eternalblue, honeypot, SMB, 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: 7e23bc917a20d06704a1647965dc8d9e57c71915486615a9a28cb321727b9a10
  • MD5: 38dfaea8b45c03991326549863c323c3

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: 7e23bc917a20d067"
        threat_level = "critical"
        first_seen = "2026-01-04"
    condition:
        hash.sha256(0, filesize) == "7e23bc917a20d06704a1647965dc8d9e57c71915486615a9a28cb321727b9a10"
}

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 7e23bc917a20d06704a1647965dc8d9e57c71915486615a9a28cb321727b9a10 # MD5 38dfaea8b45c03991326549863c323c3
TypeValueNote
sha256 7e23bc917a20d06704a1647965dc8d9e57c71915486615a9a28cb321727b9a10 Sample:WannaCry
md5 38dfaea8b45c03991326549863c323c3 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