GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c9abdc8c1fcf277efd9f92a38e4755e8a71433014e6645877ef3830b431a2f79
MD573e944b6dac1e7b157b931041e2984df
File Typedll
Size90.0 KB
First Seen2022-08-30
File Namec9abdc8c1fcf277efd9f92a38e4755e8a71433014e6645877ef3830b431a2f79
Tagsdll, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c9abdc8c1fcf277efd9f92a38e4755e8a71433014e6645877ef3830b431a2f79
  • MD5: 73e944b6dac1e7b157b931041e2984df

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: c9abdc8c1fcf277e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c9abdc8c1fcf277efd9f92a38e4755e8a71433014e6645877ef3830b431a2f79"
}

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 c9abdc8c1fcf277efd9f92a38e4755e8a71433014e6645877ef3830b431a2f79 # MD5 73e944b6dac1e7b157b931041e2984df
TypeValueNote
sha256 c9abdc8c1fcf277efd9f92a38e4755e8a71433014e6645877ef3830b431a2f79 Sample:GandCrab
md5 73e944b6dac1e7b157b931041e2984df Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi