WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9
MD53983f0ebeec88b8005724a203ae27180
File Typeexe
Size3636.0 KB
First Seen2021-03-15
File Namew.bin
Tagsexe, WannaCry

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

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

Threat Indicators (IOC)

  • SHA256: ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9
  • MD5: 3983f0ebeec88b8005724a203ae27180

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: ed492db95034ca28"
        threat_level = "critical"
        first_seen = "2021-03-15"
    condition:
        hash.sha256(0, filesize) == "ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9"
}

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 ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9 # MD5 3983f0ebeec88b8005724a203ae27180
TypeValueNote
sha256 ed492db95034ca288dd52df88e3ce3ec7b146ffd854a394ac187f0553ef966d9 Sample:WannaCry
md5 3983f0ebeec88b8005724a203ae27180 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