GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ba82e42571268555adfbe866e1f9e2eee0965fe1f2a5cc915266ed263b305a63
MD59b7b9da94060001cc3734004122c4703
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Nameba82e42571268555adfbe866e1f9e2eee0965fe1f2a5cc915266ed263b305a63
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: ba82e42571268555adfbe866e1f9e2eee0965fe1f2a5cc915266ed263b305a63
  • MD5: 9b7b9da94060001cc3734004122c4703

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: ba82e42571268555"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ba82e42571268555adfbe866e1f9e2eee0965fe1f2a5cc915266ed263b305a63"
}

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 ba82e42571268555adfbe866e1f9e2eee0965fe1f2a5cc915266ed263b305a63 # MD5 9b7b9da94060001cc3734004122c4703
TypeValueNote
sha256 ba82e42571268555adfbe866e1f9e2eee0965fe1f2a5cc915266ed263b305a63 Sample:GandCrab
md5 9b7b9da94060001cc3734004122c4703 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi