GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fd3da028be064b9108c93b8c523b33e49d814a1cb40a4678cbfaeba81421b814
MD5a46b18622512511f781745cc668cbc92
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namefd3da028be064b9108c93b8c523b33e49d814a1cb40a4678cbfaeba81421b814
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: fd3da028be064b9108c93b8c523b33e49d814a1cb40a4678cbfaeba81421b814
  • MD5: a46b18622512511f781745cc668cbc92

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: fd3da028be064b91"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "fd3da028be064b9108c93b8c523b33e49d814a1cb40a4678cbfaeba81421b814"
}

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 fd3da028be064b9108c93b8c523b33e49d814a1cb40a4678cbfaeba81421b814 # MD5 a46b18622512511f781745cc668cbc92
TypeValueNote
sha256 fd3da028be064b9108c93b8c523b33e49d814a1cb40a4678cbfaeba81421b814 Sample:GandCrab
md5 a46b18622512511f781745cc668cbc92 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi