GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ae19bdc40d52264ff06205ff888ca92090769f7b8347239f30ee75905ef87995
MD545fd6c8005d132cc5f3b311d68c6464b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Nameae19bdc40d52264ff06205ff888ca92090769f7b8347239f30ee75905ef87995
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: ae19bdc40d52264ff06205ff888ca92090769f7b8347239f30ee75905ef87995
  • MD5: 45fd6c8005d132cc5f3b311d68c6464b

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 GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: ae19bdc40d52264f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ae19bdc40d52264ff06205ff888ca92090769f7b8347239f30ee75905ef87995"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

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 — GandCrab
# SHA256 ae19bdc40d52264ff06205ff888ca92090769f7b8347239f30ee75905ef87995 # MD5 45fd6c8005d132cc5f3b311d68c6464b
TypeValueNote
sha256 ae19bdc40d52264ff06205ff888ca92090769f7b8347239f30ee75905ef87995 Sample:GandCrab
md5 45fd6c8005d132cc5f3b311d68c6464b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi