GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d40d4be4d954dd33d5f0555a0df2d56eb1ca7770aa13c0ed30dabcc082b74630
MD5346bc9c2af22067e26ca07678348b712
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Named40d4be4d954dd33d5f0555a0df2d56eb1ca7770aa13c0ed30dabcc082b74630
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d40d4be4d954dd33d5f0555a0df2d56eb1ca7770aa13c0ed30dabcc082b74630
  • MD5: 346bc9c2af22067e26ca07678348b712

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: d40d4be4d954dd33"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d40d4be4d954dd33d5f0555a0df2d56eb1ca7770aa13c0ed30dabcc082b74630"
}

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 d40d4be4d954dd33d5f0555a0df2d56eb1ca7770aa13c0ed30dabcc082b74630 # MD5 346bc9c2af22067e26ca07678348b712
TypeValueNote
sha256 d40d4be4d954dd33d5f0555a0df2d56eb1ca7770aa13c0ed30dabcc082b74630 Sample:GandCrab
md5 346bc9c2af22067e26ca07678348b712 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi