WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7
MD564f90ae0b16ad69df763d4172bf7b121
File Typedll
Size5144.0 KB
First Seen2022-10-10
File Named085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7
TagsWannaCry

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

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

Threat Indicators (IOC)

  • SHA256: d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7
  • MD5: 64f90ae0b16ad69df763d4172bf7b121

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: d085c477ebf60d0d"
        threat_level = "critical"
        first_seen = "2022-10-10"
    condition:
        hash.sha256(0, filesize) == "d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7"
}

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 d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7 # MD5 64f90ae0b16ad69df763d4172bf7b121
TypeValueNote
sha256 d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7 Sample:WannaCry
md5 64f90ae0b16ad69df763d4172bf7b121 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