GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256324a4f014301491dd6dd78f1734e0039f3286b5027f52f90cf362923adaf0af5
MD58f03d5fb4d27db023fbadf04ed38bc91
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name324a4f014301491dd6dd78f1734e0039f3286b5027f52f90cf362923adaf0af5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 324a4f014301491dd6dd78f1734e0039f3286b5027f52f90cf362923adaf0af5
  • MD5: 8f03d5fb4d27db023fbadf04ed38bc91

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: 324a4f014301491d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "324a4f014301491dd6dd78f1734e0039f3286b5027f52f90cf362923adaf0af5"
}

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 324a4f014301491dd6dd78f1734e0039f3286b5027f52f90cf362923adaf0af5 # MD5 8f03d5fb4d27db023fbadf04ed38bc91
TypeValueNote
sha256 324a4f014301491dd6dd78f1734e0039f3286b5027f52f90cf362923adaf0af5 Sample:GandCrab
md5 8f03d5fb4d27db023fbadf04ed38bc91 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi