WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25685aea2af28cb7f0d72911be0a8c52917334c5234682a257b3d001d28cd9baaba
MD512ae82de9823322b6b3b19253698fe6e
File Typeexe
Size2167.9 KB
First Seen2022-10-13
File Name85aea2af28cb7f0d72911be0a8c52917334c5234682a257b3d001d28cd9baaba
TagsWannaCry

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

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

Threat Indicators (IOC)

  • SHA256: 85aea2af28cb7f0d72911be0a8c52917334c5234682a257b3d001d28cd9baaba
  • MD5: 12ae82de9823322b6b3b19253698fe6e

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: 85aea2af28cb7f0d"
        threat_level = "critical"
        first_seen = "2022-10-13"
    condition:
        hash.sha256(0, filesize) == "85aea2af28cb7f0d72911be0a8c52917334c5234682a257b3d001d28cd9baaba"
}

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 85aea2af28cb7f0d72911be0a8c52917334c5234682a257b3d001d28cd9baaba # MD5 12ae82de9823322b6b3b19253698fe6e
TypeValueNote
sha256 85aea2af28cb7f0d72911be0a8c52917334c5234682a257b3d001d28cd9baaba Sample:WannaCry
md5 12ae82de9823322b6b3b19253698fe6e 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