GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25669d85dc2b6dd936312d5533878926709eaf60bacb54251c4fa035aa9fd8f64e2
MD52431d908bde02a875ce50bde9ccf8b72
File Typeexe
Size7892.0 KB
First Seen2023-05-09
File Name2023-05-08_2431d908bde02a875ce50bde9ccf8b72_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: 69d85dc2b6dd936312d5533878926709eaf60bacb54251c4fa035aa9fd8f64e2
  • MD5: 2431d908bde02a875ce50bde9ccf8b72

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: 69d85dc2b6dd9363"
        threat_level = "critical"
        first_seen = "2023-05-09"
    condition:
        hash.sha256(0, filesize) == "69d85dc2b6dd936312d5533878926709eaf60bacb54251c4fa035aa9fd8f64e2"
}

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 69d85dc2b6dd936312d5533878926709eaf60bacb54251c4fa035aa9fd8f64e2 # MD5 2431d908bde02a875ce50bde9ccf8b72
TypeValueNote
sha256 69d85dc2b6dd936312d5533878926709eaf60bacb54251c4fa035aa9fd8f64e2 Sample:GandCrab
md5 2431d908bde02a875ce50bde9ccf8b72 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi