WannaCry | Threat Level: critical | Type: Ransomware
Cryptographic Identifiers
| SHA256 | 624f37b4ad2253bc5f87bf8c1923e3c78bf81f8c0f97188d876f806b3fbdc691 |
|---|---|
| MD5 | 331906314e39f236039f1cf09c8d7859 |
| File Type | exe |
| Size | 115.5 KB |
| First Seen | 2025-12-14 |
| File Name | fres.exe |
| Tags | exe, ransomeware-like, Updater, WannaCry |
Malware Family: WannaCry
WannaCry, küresel saldırıdır.
| Type | Ransomware |
|---|---|
| Programming Language | C |
| Target Platform | Windows |
| C2 Protocol | — |
| Purpose | SMB ransomware |
| First Seen Year | 2017 |
| Aliases | WannaCrypt |
Threat Indicators (IOC)
- SHA256:
624f37b4ad2253bc5f87bf8c1923e3c78bf81f8c0f97188d876f806b3fbdc691 - MD5:
331906314e39f236039f1cf09c8d7859
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- Do not pay the ransom — there is no guarantee your files will be restored
- Quarantine the affected drives
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Try available decryptor tools (the NoMoreRansom project)
- Report the incident to the authorities (cybercrime unit)
- Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın
YARA Rule Hints
rule WannaCry_SHA256 {
meta:
description = "WannaCry sample: 624f37b4ad2253bc"
threat_level = "critical"
first_seen = "2025-12-14"
condition:
hash.sha256(0, filesize) == "624f37b4ad2253bc5f87bf8c1923e3c78bf81f8c0f97188d876f806b3fbdc691"
}
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
624f37b4ad2253bc5f87bf8c1923e3c78bf81f8c0f97188d876f806b3fbdc691
# MD5
331906314e39f236039f1cf09c8d7859
| Type | Value | Note |
|---|---|---|
| sha256 | 624f37b4ad2253bc5f87bf8c1923e3c78bf81f8c0f97188d876f806b3fbdc691 | Sample:WannaCry |
| md5 | 331906314e39f236039f1cf09c8d7859 | 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.