GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d9eda1094d7edb5e84273601c5222292d4ec092b73bb1e6c555b1ba39213eead
MD5a7c0870654c993c3b5a72730274818d4
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Named9eda1094d7edb5e84273601c5222292d4ec092b73bb1e6c555b1ba39213eead
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d9eda1094d7edb5e84273601c5222292d4ec092b73bb1e6c555b1ba39213eead
  • MD5: a7c0870654c993c3b5a72730274818d4

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: d9eda1094d7edb5e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d9eda1094d7edb5e84273601c5222292d4ec092b73bb1e6c555b1ba39213eead"
}

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 d9eda1094d7edb5e84273601c5222292d4ec092b73bb1e6c555b1ba39213eead # MD5 a7c0870654c993c3b5a72730274818d4
TypeValueNote
sha256 d9eda1094d7edb5e84273601c5222292d4ec092b73bb1e6c555b1ba39213eead Sample:GandCrab
md5 a7c0870654c993c3b5a72730274818d4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi