HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256af179b093adef005f85ed0c5e9a920381bf0993bd5fd2af393fe6551e3b934b4
MD54d854853a5fab3421e5713fd0b6fed42
File Typeexe
Size462.5 KB
First Seen2025-04-10
File Nameaf179b093adef005f85ed0c5e9a920381bf0993bd5fd2af393fe6551e3b934b4
Tagsexe, HelloKitty, Ransomware

Malware Family: HelloKitty

HelloKitty, CD Projekt Red'e saldırdı.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeOyun şirketi saldırısı
First Seen Year2020
AliasesFiveHands

Threat Indicators (IOC)

  • SHA256: af179b093adef005f85ed0c5e9a920381bf0993bd5fd2af393fe6551e3b934b4
  • MD5: 4d854853a5fab3421e5713fd0b6fed42

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 HelloKitty_SHA256 {
    meta:
        description = "HelloKitty sample: af179b093adef005"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "af179b093adef005f85ed0c5e9a920381bf0993bd5fd2af393fe6551e3b934b4"
}

HelloKitty — Malware Profile

HelloKitty (DeathRansom/FiveHands) RaaS. Tor .onion C2. WMI Win32_ShadowCopy silme. VMware ESXi hedefi. CD Projekt Red.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux
Also Known As (AKA)
FiveHands

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 — HelloKitty
# SHA256 af179b093adef005f85ed0c5e9a920381bf0993bd5fd2af393fe6551e3b934b4 # MD5 4d854853a5fab3421e5713fd0b6fed42
TypeValueNote
sha256 af179b093adef005f85ed0c5e9a920381bf0993bd5fd2af393fe6551e3b934b4 Sample:HelloKitty
md5 4d854853a5fab3421e5713fd0b6fed42 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi