GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25640af19d01c0f30dd32479154ede40d3654aba5dd9ef503422d38b3b0caf2ae9f
MD5af6bed1ff28980bc91f10cc488164cca
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name40af19d01c0f30dd32479154ede40d3654aba5dd9ef503422d38b3b0caf2ae9f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 40af19d01c0f30dd32479154ede40d3654aba5dd9ef503422d38b3b0caf2ae9f
  • MD5: af6bed1ff28980bc91f10cc488164cca

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: 40af19d01c0f30dd"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "40af19d01c0f30dd32479154ede40d3654aba5dd9ef503422d38b3b0caf2ae9f"
}

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 40af19d01c0f30dd32479154ede40d3654aba5dd9ef503422d38b3b0caf2ae9f # MD5 af6bed1ff28980bc91f10cc488164cca
TypeValueNote
sha256 40af19d01c0f30dd32479154ede40d3654aba5dd9ef503422d38b3b0caf2ae9f Sample:GandCrab
md5 af6bed1ff28980bc91f10cc488164cca Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi