GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566266be7b66d6d96d972b50a5b8cc3b156a2d7dd29f8c4c580705fa40ec4f0f7d
MD5b6e39b7afa08cac76ca4751f4b83883b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name6266be7b66d6d96d972b50a5b8cc3b156a2d7dd29f8c4c580705fa40ec4f0f7d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 6266be7b66d6d96d972b50a5b8cc3b156a2d7dd29f8c4c580705fa40ec4f0f7d
  • MD5: b6e39b7afa08cac76ca4751f4b83883b

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: 6266be7b66d6d96d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6266be7b66d6d96d972b50a5b8cc3b156a2d7dd29f8c4c580705fa40ec4f0f7d"
}

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 6266be7b66d6d96d972b50a5b8cc3b156a2d7dd29f8c4c580705fa40ec4f0f7d # MD5 b6e39b7afa08cac76ca4751f4b83883b
TypeValueNote
sha256 6266be7b66d6d96d972b50a5b8cc3b156a2d7dd29f8c4c580705fa40ec4f0f7d Sample:GandCrab
md5 b6e39b7afa08cac76ca4751f4b83883b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi