GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25647ffbdfbb3593ffaa1c57f3843ad3a4e06fb4ba6f2349a2459c699199849d55c
MD566e9fee05cfa57f98b4d136b3bf2bf24
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name47ffbdfbb3593ffaa1c57f3843ad3a4e06fb4ba6f2349a2459c699199849d55c
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: 47ffbdfbb3593ffaa1c57f3843ad3a4e06fb4ba6f2349a2459c699199849d55c
  • MD5: 66e9fee05cfa57f98b4d136b3bf2bf24

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: 47ffbdfbb3593ffa"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "47ffbdfbb3593ffaa1c57f3843ad3a4e06fb4ba6f2349a2459c699199849d55c"
}

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 47ffbdfbb3593ffaa1c57f3843ad3a4e06fb4ba6f2349a2459c699199849d55c # MD5 66e9fee05cfa57f98b4d136b3bf2bf24
TypeValueNote
sha256 47ffbdfbb3593ffaa1c57f3843ad3a4e06fb4ba6f2349a2459c699199849d55c Sample:GandCrab
md5 66e9fee05cfa57f98b4d136b3bf2bf24 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi