WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d3961de88685bcad6385becf06dad8772b0a1f9f572ece4238f943f077d46d0a
MD5dbacc4ce4e43a588b02dc435a2d2c8f8
File Typedll
Size5144.0 KB
First Seen2026-06-24
File Named3961de88685bcad6385becf06dad8772b0a1f9f572ece4238f943f077d46d0a.dll
Tagsdll, Ransomware.WannaCry, 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: d3961de88685bcad6385becf06dad8772b0a1f9f572ece4238f943f077d46d0a
  • MD5: dbacc4ce4e43a588b02dc435a2d2c8f8

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: d3961de88685bcad"
        threat_level = "critical"
        first_seen = "2026-06-24"
    condition:
        hash.sha256(0, filesize) == "d3961de88685bcad6385becf06dad8772b0a1f9f572ece4238f943f077d46d0a"
}

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 d3961de88685bcad6385becf06dad8772b0a1f9f572ece4238f943f077d46d0a # MD5 dbacc4ce4e43a588b02dc435a2d2c8f8
TypeValueNote
sha256 d3961de88685bcad6385becf06dad8772b0a1f9f572ece4238f943f077d46d0a Sample:WannaCry
md5 dbacc4ce4e43a588b02dc435a2d2c8f8 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