HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256947e357bfdfe411be6c97af6559fd1cdc5c9d6f5cea122bf174d124ee03d2de8
MD522d35005e926fe29379cb07b810a6075
File Typeexe
Size249.5 KB
First Seen2021-12-22
File Name947e357bfdfe411be6c97af6559fd1cdc5c9d6f5cea122bf174d124ee03d2de8.bin
Tagsexe, HelloKitty

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: 947e357bfdfe411be6c97af6559fd1cdc5c9d6f5cea122bf174d124ee03d2de8
  • MD5: 22d35005e926fe29379cb07b810a6075

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: 947e357bfdfe411b"
        threat_level = "high"
        first_seen = "2021-12-22"
    condition:
        hash.sha256(0, filesize) == "947e357bfdfe411be6c97af6559fd1cdc5c9d6f5cea122bf174d124ee03d2de8"
}

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 947e357bfdfe411be6c97af6559fd1cdc5c9d6f5cea122bf174d124ee03d2de8 # MD5 22d35005e926fe29379cb07b810a6075
TypeValueNote
sha256 947e357bfdfe411be6c97af6559fd1cdc5c9d6f5cea122bf174d124ee03d2de8 Sample:HelloKitty
md5 22d35005e926fe29379cb07b810a6075 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi