GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e22afdc8bb8605418fd39d974757aa5366a81478cfe312cb63b65c6ae3b69469
MD518ba48e1cf49cbf45ef8a765c3b29393
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Namee22afdc8bb8605418fd39d974757aa5366a81478cfe312cb63b65c6ae3b69469
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: e22afdc8bb8605418fd39d974757aa5366a81478cfe312cb63b65c6ae3b69469
  • MD5: 18ba48e1cf49cbf45ef8a765c3b29393

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: e22afdc8bb860541"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e22afdc8bb8605418fd39d974757aa5366a81478cfe312cb63b65c6ae3b69469"
}

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 e22afdc8bb8605418fd39d974757aa5366a81478cfe312cb63b65c6ae3b69469 # MD5 18ba48e1cf49cbf45ef8a765c3b29393
TypeValueNote
sha256 e22afdc8bb8605418fd39d974757aa5366a81478cfe312cb63b65c6ae3b69469 Sample:GandCrab
md5 18ba48e1cf49cbf45ef8a765c3b29393 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi