HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256c7d6719bbfb5baaadda498bf5ef49a3ada1d795b9ae4709074b0e3976968741e
MD58e4a887acab5f9475c5fa9a26fb9e720
File Typeexe
Size179.0 KB
First Seen2021-02-09
File Namec7d6719bbfb5baaadda498bf5ef49a3ada1d795b9ae4709074b0e3976968741e
TagsHelloKitty, old, 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: c7d6719bbfb5baaadda498bf5ef49a3ada1d795b9ae4709074b0e3976968741e
  • MD5: 8e4a887acab5f9475c5fa9a26fb9e720

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: c7d6719bbfb5baaa"
        threat_level = "high"
        first_seen = "2021-02-09"
    condition:
        hash.sha256(0, filesize) == "c7d6719bbfb5baaadda498bf5ef49a3ada1d795b9ae4709074b0e3976968741e"
}

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 c7d6719bbfb5baaadda498bf5ef49a3ada1d795b9ae4709074b0e3976968741e # MD5 8e4a887acab5f9475c5fa9a26fb9e720
TypeValueNote
sha256 c7d6719bbfb5baaadda498bf5ef49a3ada1d795b9ae4709074b0e3976968741e Sample:HelloKitty
md5 8e4a887acab5f9475c5fa9a26fb9e720 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi