GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569f1bd95bda11297b13adad93206daf16b7a043fc6d3340c8c5cbdd641c2edcd4
MD5621d3196d1bb68a4a6c460144f879b27
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name9f1bd95bda11297b13adad93206daf16b7a043fc6d3340c8c5cbdd641c2edcd4
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 9f1bd95bda11297b13adad93206daf16b7a043fc6d3340c8c5cbdd641c2edcd4
  • MD5: 621d3196d1bb68a4a6c460144f879b27

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: 9f1bd95bda11297b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9f1bd95bda11297b13adad93206daf16b7a043fc6d3340c8c5cbdd641c2edcd4"
}

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 9f1bd95bda11297b13adad93206daf16b7a043fc6d3340c8c5cbdd641c2edcd4 # MD5 621d3196d1bb68a4a6c460144f879b27
TypeValueNote
sha256 9f1bd95bda11297b13adad93206daf16b7a043fc6d3340c8c5cbdd641c2edcd4 Sample:GandCrab
md5 621d3196d1bb68a4a6c460144f879b27 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi