GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562cf5bd986cf3cf6cae8b5e4d163fc923d34abad5f82a456234aa1ca3b3327a19
MD5e17ffffb36b1c6f9363802b823c8ad1b
File Typeexe
Size16384.0 KB
First Seen2023-05-07
File Name2023-05-06_e17ffffb36b1c6f9363802b823c8ad1b_gandcrab
TagsGandcrab

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: 2cf5bd986cf3cf6cae8b5e4d163fc923d34abad5f82a456234aa1ca3b3327a19
  • MD5: e17ffffb36b1c6f9363802b823c8ad1b

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: 2cf5bd986cf3cf6c"
        threat_level = "critical"
        first_seen = "2023-05-07"
    condition:
        hash.sha256(0, filesize) == "2cf5bd986cf3cf6cae8b5e4d163fc923d34abad5f82a456234aa1ca3b3327a19"
}

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 2cf5bd986cf3cf6cae8b5e4d163fc923d34abad5f82a456234aa1ca3b3327a19 # MD5 e17ffffb36b1c6f9363802b823c8ad1b
TypeValueNote
sha256 2cf5bd986cf3cf6cae8b5e4d163fc923d34abad5f82a456234aa1ca3b3327a19 Sample:GandCrab
md5 e17ffffb36b1c6f9363802b823c8ad1b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi