WannaCry | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560e7ca7f65d5c1a0c36ea549d2dc38cf5c6f9c71d727f7af1999749d90440f037
MD5b7c18576e9dc58e5d80b927746020e5a
File Typezip
Size3399.6 KB
First Seen2022-02-12
File Nameed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.zip
TagsRansomware, WannaCry, zip

Malware Family: WannaCry

WannaCry, küresel saldırıdır.

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

Threat Indicators (IOC)

  • SHA256: 0e7ca7f65d5c1a0c36ea549d2dc38cf5c6f9c71d727f7af1999749d90440f037
  • MD5: b7c18576e9dc58e5d80b927746020e5a

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: 0e7ca7f65d5c1a0c"
        threat_level = "critical"
        first_seen = "2022-02-12"
    condition:
        hash.sha256(0, filesize) == "0e7ca7f65d5c1a0c36ea549d2dc38cf5c6f9c71d727f7af1999749d90440f037"
}

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 0e7ca7f65d5c1a0c36ea549d2dc38cf5c6f9c71d727f7af1999749d90440f037 # MD5 b7c18576e9dc58e5d80b927746020e5a
TypeValueNote
sha256 0e7ca7f65d5c1a0c36ea549d2dc38cf5c6f9c71d727f7af1999749d90440f037 Sample:WannaCry
md5 b7c18576e9dc58e5d80b927746020e5a 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