GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25648ce4be850c2fc89813d924122fe1994f0c760753032d2fc65098084f5f0d65a
MD5472ca2f422c62a4fd51666debf7c1a9b
File Typeexe
Size7892.0 KB
First Seen2023-05-09
File Name2023-05-08_472ca2f422c62a4fd51666debf7c1a9b_gandcrab
TagsGandcrab

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: 48ce4be850c2fc89813d924122fe1994f0c760753032d2fc65098084f5f0d65a
  • MD5: 472ca2f422c62a4fd51666debf7c1a9b

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: 48ce4be850c2fc89"
        threat_level = "critical"
        first_seen = "2023-05-09"
    condition:
        hash.sha256(0, filesize) == "48ce4be850c2fc89813d924122fe1994f0c760753032d2fc65098084f5f0d65a"
}

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 48ce4be850c2fc89813d924122fe1994f0c760753032d2fc65098084f5f0d65a # MD5 472ca2f422c62a4fd51666debf7c1a9b
TypeValueNote
sha256 48ce4be850c2fc89813d924122fe1994f0c760753032d2fc65098084f5f0d65a Sample:GandCrab
md5 472ca2f422c62a4fd51666debf7c1a9b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi