HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25678afe88dbfa9f7794037432db3975fa057eae3e4dc0f39bf19f2f04fa6e5c07c
MD56d321248c816c61a973c9195af30b25b
File Typeexe
Size153.0 KB
First Seen2021-02-09
File Name78afe88dbfa9f7794037432db3975fa057eae3e4dc0f39bf19f2f04fa6e5c07c.bin
TagsCEMIG, HelloKitty, 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: 78afe88dbfa9f7794037432db3975fa057eae3e4dc0f39bf19f2f04fa6e5c07c
  • MD5: 6d321248c816c61a973c9195af30b25b

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: 78afe88dbfa9f779"
        threat_level = "high"
        first_seen = "2021-02-09"
    condition:
        hash.sha256(0, filesize) == "78afe88dbfa9f7794037432db3975fa057eae3e4dc0f39bf19f2f04fa6e5c07c"
}

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 78afe88dbfa9f7794037432db3975fa057eae3e4dc0f39bf19f2f04fa6e5c07c # MD5 6d321248c816c61a973c9195af30b25b
TypeValueNote
sha256 78afe88dbfa9f7794037432db3975fa057eae3e4dc0f39bf19f2f04fa6e5c07c Sample:HelloKitty
md5 6d321248c816c61a973c9195af30b25b Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi