WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560356be7cf465e56da370730e2d8707dab9dfb5c446f0eeb9605d2a05d8bca3ba
MD55c6b98475b9c14da9f64c0c3f7bd88f8
File Typeexe
Size2228.0 KB
First Seen2022-10-11
File Name0356be7cf465e56da370730e2d8707dab9dfb5c446f0eeb9605d2a05d8bca3ba
TagsWannaCry

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

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

Threat Indicators (IOC)

  • SHA256: 0356be7cf465e56da370730e2d8707dab9dfb5c446f0eeb9605d2a05d8bca3ba
  • MD5: 5c6b98475b9c14da9f64c0c3f7bd88f8

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: 0356be7cf465e56d"
        threat_level = "critical"
        first_seen = "2022-10-11"
    condition:
        hash.sha256(0, filesize) == "0356be7cf465e56da370730e2d8707dab9dfb5c446f0eeb9605d2a05d8bca3ba"
}

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 0356be7cf465e56da370730e2d8707dab9dfb5c446f0eeb9605d2a05d8bca3ba # MD5 5c6b98475b9c14da9f64c0c3f7bd88f8
TypeValueNote
sha256 0356be7cf465e56da370730e2d8707dab9dfb5c446f0eeb9605d2a05d8bca3ba Sample:WannaCry
md5 5c6b98475b9c14da9f64c0c3f7bd88f8 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