HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256184dcab660427b846432e9e20b7d9caa98c0b91d00814f4258f73269d184f907
MD583b6f9a64ac51c6623bd93918379dfc4
File Typeexe
Size282.6 KB
First Seen2025-04-10
File Name184dcab660427b846432e9e20b7d9caa98c0b91d00814f4258f73269d184f907
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: 184dcab660427b846432e9e20b7d9caa98c0b91d00814f4258f73269d184f907
  • MD5: 83b6f9a64ac51c6623bd93918379dfc4

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: 184dcab660427b84"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "184dcab660427b846432e9e20b7d9caa98c0b91d00814f4258f73269d184f907"
}

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 184dcab660427b846432e9e20b7d9caa98c0b91d00814f4258f73269d184f907 # MD5 83b6f9a64ac51c6623bd93918379dfc4
TypeValueNote
sha256 184dcab660427b846432e9e20b7d9caa98c0b91d00814f4258f73269d184f907 Sample:HelloKitty
md5 83b6f9a64ac51c6623bd93918379dfc4 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi