GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256509c5bf724b0d3bc60cdc93c1b0f1e6710cf23edb2293d670cb8bdeaa5ac7e6f
MD55027e6b49ab2616a8f08f4c868b90dba
File Typeexe
Size732.0 KB
First Seen2024-09-30
File Namefile
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: 509c5bf724b0d3bc60cdc93c1b0f1e6710cf23edb2293d670cb8bdeaa5ac7e6f
  • MD5: 5027e6b49ab2616a8f08f4c868b90dba

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: 509c5bf724b0d3bc"
        threat_level = "critical"
        first_seen = "2024-09-30"
    condition:
        hash.sha256(0, filesize) == "509c5bf724b0d3bc60cdc93c1b0f1e6710cf23edb2293d670cb8bdeaa5ac7e6f"
}

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 509c5bf724b0d3bc60cdc93c1b0f1e6710cf23edb2293d670cb8bdeaa5ac7e6f # MD5 5027e6b49ab2616a8f08f4c868b90dba
TypeValueNote
sha256 509c5bf724b0d3bc60cdc93c1b0f1e6710cf23edb2293d670cb8bdeaa5ac7e6f Sample:GandCrab
md5 5027e6b49ab2616a8f08f4c868b90dba Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi