GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560e98661ea680708e9bb55f32131f743811108e826b91cae99d69a8fc1856d429
MD56569fd60f73e5705f4c28ab59d86fb39
File Typeexe
Size32284.0 KB
First Seen2023-05-07
File Name2023-05-06_6569fd60f73e5705f4c28ab59d86fb39_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: 0e98661ea680708e9bb55f32131f743811108e826b91cae99d69a8fc1856d429
  • MD5: 6569fd60f73e5705f4c28ab59d86fb39

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: 0e98661ea680708e"
        threat_level = "critical"
        first_seen = "2023-05-07"
    condition:
        hash.sha256(0, filesize) == "0e98661ea680708e9bb55f32131f743811108e826b91cae99d69a8fc1856d429"
}

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 0e98661ea680708e9bb55f32131f743811108e826b91cae99d69a8fc1856d429 # MD5 6569fd60f73e5705f4c28ab59d86fb39
TypeValueNote
sha256 0e98661ea680708e9bb55f32131f743811108e826b91cae99d69a8fc1856d429 Sample:GandCrab
md5 6569fd60f73e5705f4c28ab59d86fb39 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi