HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256170ddf08d3c54ba8eb1d28c24b3ac61cb22f4552c1805546796937bd43267f41
MD5ba35a80338fbf197a323f6fe960bf7cb
File Typeexe
Size165.0 KB
First Seen2025-04-10
File Name170ddf08d3c54ba8eb1d28c24b3ac61cb22f4552c1805546796937bd43267f41
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: 170ddf08d3c54ba8eb1d28c24b3ac61cb22f4552c1805546796937bd43267f41
  • MD5: ba35a80338fbf197a323f6fe960bf7cb

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: 170ddf08d3c54ba8"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "170ddf08d3c54ba8eb1d28c24b3ac61cb22f4552c1805546796937bd43267f41"
}

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 170ddf08d3c54ba8eb1d28c24b3ac61cb22f4552c1805546796937bd43267f41 # MD5 ba35a80338fbf197a323f6fe960bf7cb
TypeValueNote
sha256 170ddf08d3c54ba8eb1d28c24b3ac61cb22f4552c1805546796937bd43267f41 Sample:HelloKitty
md5 ba35a80338fbf197a323f6fe960bf7cb Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi