GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560f7a8548525448781c3704cc6e1e7153a31d0a68bd91363b0e744b9883660556
MD5e02a14750102fc7850ebad6321203b19
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name0f7a8548525448781c3704cc6e1e7153a31d0a68bd91363b0e744b9883660556
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: 0f7a8548525448781c3704cc6e1e7153a31d0a68bd91363b0e744b9883660556
  • MD5: e02a14750102fc7850ebad6321203b19

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: 0f7a854852544878"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "0f7a8548525448781c3704cc6e1e7153a31d0a68bd91363b0e744b9883660556"
}

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 0f7a8548525448781c3704cc6e1e7153a31d0a68bd91363b0e744b9883660556 # MD5 e02a14750102fc7850ebad6321203b19
TypeValueNote
sha256 0f7a8548525448781c3704cc6e1e7153a31d0a68bd91363b0e744b9883660556 Sample:GandCrab
md5 e02a14750102fc7850ebad6321203b19 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi