GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25693f736d1ee5874ba49c2d40cea9374b6f62ced5b8c9ebb3f754312e4977174f7
MD598c008f47953468078d10254c0ac5ac1
File Typeexe
Size70.0 KB
First Seen2023-04-17
File Name2023-04-16_98c008f47953468078d10254c0ac5ac1_gandcrab
TagsGandcrab, Ransomware

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: 93f736d1ee5874ba49c2d40cea9374b6f62ced5b8c9ebb3f754312e4977174f7
  • MD5: 98c008f47953468078d10254c0ac5ac1

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: 93f736d1ee5874ba"
        threat_level = "critical"
        first_seen = "2023-04-17"
    condition:
        hash.sha256(0, filesize) == "93f736d1ee5874ba49c2d40cea9374b6f62ced5b8c9ebb3f754312e4977174f7"
}

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 93f736d1ee5874ba49c2d40cea9374b6f62ced5b8c9ebb3f754312e4977174f7 # MD5 98c008f47953468078d10254c0ac5ac1
TypeValueNote
sha256 93f736d1ee5874ba49c2d40cea9374b6f62ced5b8c9ebb3f754312e4977174f7 Sample:GandCrab
md5 98c008f47953468078d10254c0ac5ac1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi