HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256ca607e431062ee49a21d69d722750e5edbd8ffabcb54fa92b231814101756041
MD55716a136538ec546ef591d5aa143c153
File Typeelf
Size84.5 KB
First Seen2021-08-14
File Nameca607e431062ee49a21d69d722750e5edbd8ffabcb54fa92b231814101756041.bin
Tagself, 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: ca607e431062ee49a21d69d722750e5edbd8ffabcb54fa92b231814101756041
  • MD5: 5716a136538ec546ef591d5aa143c153

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: ca607e431062ee49"
        threat_level = "high"
        first_seen = "2021-08-14"
    condition:
        hash.sha256(0, filesize) == "ca607e431062ee49a21d69d722750e5edbd8ffabcb54fa92b231814101756041"
}

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 ca607e431062ee49a21d69d722750e5edbd8ffabcb54fa92b231814101756041 # MD5 5716a136538ec546ef591d5aa143c153
TypeValueNote
sha256 ca607e431062ee49a21d69d722750e5edbd8ffabcb54fa92b231814101756041 Sample:HelloKitty
md5 5716a136538ec546ef591d5aa143c153 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi