HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256bfeec85c8f9a6dabae685713b57d9ffbbe3dc185955ba653e2f684321682758c
MD512df37da9db681055655bd0c73ae6716
File Typeexe
Size73.0 KB
First Seen2025-04-10
File Namebfeec85c8f9a6dabae685713b57d9ffbbe3dc185955ba653e2f684321682758c
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: bfeec85c8f9a6dabae685713b57d9ffbbe3dc185955ba653e2f684321682758c
  • MD5: 12df37da9db681055655bd0c73ae6716

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: bfeec85c8f9a6dab"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "bfeec85c8f9a6dabae685713b57d9ffbbe3dc185955ba653e2f684321682758c"
}

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 bfeec85c8f9a6dabae685713b57d9ffbbe3dc185955ba653e2f684321682758c # MD5 12df37da9db681055655bd0c73ae6716
TypeValueNote
sha256 bfeec85c8f9a6dabae685713b57d9ffbbe3dc185955ba653e2f684321682758c Sample:HelloKitty
md5 12df37da9db681055655bd0c73ae6716 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi