GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569c61236773f048b28d396ad8346cd4afffaa0131918fbc8a313833bc7208880e
MD5d064d98640fe104c38882a2e21d7f565
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name9c61236773f048b28d396ad8346cd4afffaa0131918fbc8a313833bc7208880e
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: 9c61236773f048b28d396ad8346cd4afffaa0131918fbc8a313833bc7208880e
  • MD5: d064d98640fe104c38882a2e21d7f565

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: 9c61236773f048b2"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9c61236773f048b28d396ad8346cd4afffaa0131918fbc8a313833bc7208880e"
}

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 9c61236773f048b28d396ad8346cd4afffaa0131918fbc8a313833bc7208880e # MD5 d064d98640fe104c38882a2e21d7f565
TypeValueNote
sha256 9c61236773f048b28d396ad8346cd4afffaa0131918fbc8a313833bc7208880e Sample:GandCrab
md5 d064d98640fe104c38882a2e21d7f565 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi