GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256052de30af452f288a66eea584f0b06813ed6e51e26be9139b7d84758979d33af
MD525b04594078576837979de05f259fd4e
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name052de30af452f288a66eea584f0b06813ed6e51e26be9139b7d84758979d33af
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: 052de30af452f288a66eea584f0b06813ed6e51e26be9139b7d84758979d33af
  • MD5: 25b04594078576837979de05f259fd4e

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: 052de30af452f288"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "052de30af452f288a66eea584f0b06813ed6e51e26be9139b7d84758979d33af"
}

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 052de30af452f288a66eea584f0b06813ed6e51e26be9139b7d84758979d33af # MD5 25b04594078576837979de05f259fd4e
TypeValueNote
sha256 052de30af452f288a66eea584f0b06813ed6e51e26be9139b7d84758979d33af Sample:GandCrab
md5 25b04594078576837979de05f259fd4e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi