GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567f5024f93f435b2a1ca3e47a6f3a571fd3a2704ac68381a19e01f5d3e398f894
MD5dc0915b8614ebc7c091f630a19c1dec1
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name7f5024f93f435b2a1ca3e47a6f3a571fd3a2704ac68381a19e01f5d3e398f894
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 7f5024f93f435b2a1ca3e47a6f3a571fd3a2704ac68381a19e01f5d3e398f894
  • MD5: dc0915b8614ebc7c091f630a19c1dec1

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: 7f5024f93f435b2a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7f5024f93f435b2a1ca3e47a6f3a571fd3a2704ac68381a19e01f5d3e398f894"
}

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 7f5024f93f435b2a1ca3e47a6f3a571fd3a2704ac68381a19e01f5d3e398f894 # MD5 dc0915b8614ebc7c091f630a19c1dec1
TypeValueNote
sha256 7f5024f93f435b2a1ca3e47a6f3a571fd3a2704ac68381a19e01f5d3e398f894 Sample:GandCrab
md5 dc0915b8614ebc7c091f630a19c1dec1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi