GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560ca0d8c1c18a4fc5691eb6d5e75a025d3d8342ba2276d5f780a8bd8fca17436d
MD5d692c2de0edf53369c0492609cd0703c
File Typeexe
Size196.5 KB
First Seen2024-05-11
File Namerans.exe
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: 0ca0d8c1c18a4fc5691eb6d5e75a025d3d8342ba2276d5f780a8bd8fca17436d
  • MD5: d692c2de0edf53369c0492609cd0703c

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: 0ca0d8c1c18a4fc5"
        threat_level = "critical"
        first_seen = "2024-05-11"
    condition:
        hash.sha256(0, filesize) == "0ca0d8c1c18a4fc5691eb6d5e75a025d3d8342ba2276d5f780a8bd8fca17436d"
}

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 0ca0d8c1c18a4fc5691eb6d5e75a025d3d8342ba2276d5f780a8bd8fca17436d # MD5 d692c2de0edf53369c0492609cd0703c
TypeValueNote
sha256 0ca0d8c1c18a4fc5691eb6d5e75a025d3d8342ba2276d5f780a8bd8fca17436d Sample:GandCrab
md5 d692c2de0edf53369c0492609cd0703c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi