GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256475ace86dfc56a5226da3dcd32f06ac52106ccb86e307ac5f67fddb5285f758f
MD5797dd510674f338780d9740ea791cf01
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name475ace86dfc56a5226da3dcd32f06ac52106ccb86e307ac5f67fddb5285f758f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 475ace86dfc56a5226da3dcd32f06ac52106ccb86e307ac5f67fddb5285f758f
  • MD5: 797dd510674f338780d9740ea791cf01

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: 475ace86dfc56a52"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "475ace86dfc56a5226da3dcd32f06ac52106ccb86e307ac5f67fddb5285f758f"
}

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 475ace86dfc56a5226da3dcd32f06ac52106ccb86e307ac5f67fddb5285f758f # MD5 797dd510674f338780d9740ea791cf01
TypeValueNote
sha256 475ace86dfc56a5226da3dcd32f06ac52106ccb86e307ac5f67fddb5285f758f Sample:GandCrab
md5 797dd510674f338780d9740ea791cf01 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi