WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25678ecdd4f9eb36ea0463a549c4124b10bbb0fdf9be76d137737de08d701fd25d5
MD59d709394669a9a07f5e759148968d465
File Typedll
Size5144.0 KB
First Seen2022-07-20
File Name9d709394669a9a07f5e759148968d465
Tagsdll, OpenCTI.BR, Sandboxed, WannaCry

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

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

Threat Indicators (IOC)

  • SHA256: 78ecdd4f9eb36ea0463a549c4124b10bbb0fdf9be76d137737de08d701fd25d5
  • MD5: 9d709394669a9a07f5e759148968d465

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: 78ecdd4f9eb36ea0"
        threat_level = "critical"
        first_seen = "2022-07-20"
    condition:
        hash.sha256(0, filesize) == "78ecdd4f9eb36ea0463a549c4124b10bbb0fdf9be76d137737de08d701fd25d5"
}

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 78ecdd4f9eb36ea0463a549c4124b10bbb0fdf9be76d137737de08d701fd25d5 # MD5 9d709394669a9a07f5e759148968d465
TypeValueNote
sha256 78ecdd4f9eb36ea0463a549c4124b10bbb0fdf9be76d137737de08d701fd25d5 Sample:WannaCry
md5 9d709394669a9a07f5e759148968d465 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