GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568c07a82d3d4f65740fee28a286269a1db5cace083ac9d805e2df800e6051361b
MD534dbe9675dd8d4cc85e9f06ea2ba7db4
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name8c07a82d3d4f65740fee28a286269a1db5cace083ac9d805e2df800e6051361b
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: 8c07a82d3d4f65740fee28a286269a1db5cace083ac9d805e2df800e6051361b
  • MD5: 34dbe9675dd8d4cc85e9f06ea2ba7db4

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: 8c07a82d3d4f6574"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8c07a82d3d4f65740fee28a286269a1db5cace083ac9d805e2df800e6051361b"
}

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 8c07a82d3d4f65740fee28a286269a1db5cace083ac9d805e2df800e6051361b # MD5 34dbe9675dd8d4cc85e9f06ea2ba7db4
TypeValueNote
sha256 8c07a82d3d4f65740fee28a286269a1db5cace083ac9d805e2df800e6051361b Sample:GandCrab
md5 34dbe9675dd8d4cc85e9f06ea2ba7db4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi