GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565bdc66a072587807dd77291c66b92c3aa1cb5510d263d155b218967331c97f4d
MD57a9807d121aa0721671477101777cb34
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name5bdc66a072587807dd77291c66b92c3aa1cb5510d263d155b218967331c97f4d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5bdc66a072587807dd77291c66b92c3aa1cb5510d263d155b218967331c97f4d
  • MD5: 7a9807d121aa0721671477101777cb34

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: 5bdc66a072587807"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5bdc66a072587807dd77291c66b92c3aa1cb5510d263d155b218967331c97f4d"
}

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 5bdc66a072587807dd77291c66b92c3aa1cb5510d263d155b218967331c97f4d # MD5 7a9807d121aa0721671477101777cb34
TypeValueNote
sha256 5bdc66a072587807dd77291c66b92c3aa1cb5510d263d155b218967331c97f4d Sample:GandCrab
md5 7a9807d121aa0721671477101777cb34 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi