WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bbbddac8c1f0af82a6ca5fb0418094cca988d946b3112254e2197ca86846d2e3
MD5b89f934a751aa771d4b9430ad7b5c6f5
File Typedll
Size4108.0 KB
First Seen2022-10-12
File Namebbbddac8c1f0af82a6ca5fb0418094cca988d946b3112254e2197ca86846d2e3
TagsWannaCry

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

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

Threat Indicators (IOC)

  • SHA256: bbbddac8c1f0af82a6ca5fb0418094cca988d946b3112254e2197ca86846d2e3
  • MD5: b89f934a751aa771d4b9430ad7b5c6f5

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: bbbddac8c1f0af82"
        threat_level = "critical"
        first_seen = "2022-10-12"
    condition:
        hash.sha256(0, filesize) == "bbbddac8c1f0af82a6ca5fb0418094cca988d946b3112254e2197ca86846d2e3"
}

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 bbbddac8c1f0af82a6ca5fb0418094cca988d946b3112254e2197ca86846d2e3 # MD5 b89f934a751aa771d4b9430ad7b5c6f5
TypeValueNote
sha256 bbbddac8c1f0af82a6ca5fb0418094cca988d946b3112254e2197ca86846d2e3 Sample:WannaCry
md5 b89f934a751aa771d4b9430ad7b5c6f5 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