GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569f47f6c99f0d09559856f394eed1b17e54510400d1154b00b07f0bfa1299320c
MD54d796de104f3ccadb85125e2f9fdf3dd
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name9f47f6c99f0d09559856f394eed1b17e54510400d1154b00b07f0bfa1299320c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 9f47f6c99f0d09559856f394eed1b17e54510400d1154b00b07f0bfa1299320c
  • MD5: 4d796de104f3ccadb85125e2f9fdf3dd

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: 9f47f6c99f0d0955"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9f47f6c99f0d09559856f394eed1b17e54510400d1154b00b07f0bfa1299320c"
}

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 9f47f6c99f0d09559856f394eed1b17e54510400d1154b00b07f0bfa1299320c # MD5 4d796de104f3ccadb85125e2f9fdf3dd
TypeValueNote
sha256 9f47f6c99f0d09559856f394eed1b17e54510400d1154b00b07f0bfa1299320c Sample:GandCrab
md5 4d796de104f3ccadb85125e2f9fdf3dd Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi