GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562666d24f2680d17159ce58673ac4d90275a957d0149ae4eb0312f2a98d87e395
MD5c074577386a3113fe203f8b54d84565e
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name2666d24f2680d17159ce58673ac4d90275a957d0149ae4eb0312f2a98d87e395
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2666d24f2680d17159ce58673ac4d90275a957d0149ae4eb0312f2a98d87e395
  • MD5: c074577386a3113fe203f8b54d84565e

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: 2666d24f2680d171"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2666d24f2680d17159ce58673ac4d90275a957d0149ae4eb0312f2a98d87e395"
}

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 2666d24f2680d17159ce58673ac4d90275a957d0149ae4eb0312f2a98d87e395 # MD5 c074577386a3113fe203f8b54d84565e
TypeValueNote
sha256 2666d24f2680d17159ce58673ac4d90275a957d0149ae4eb0312f2a98d87e395 Sample:GandCrab
md5 c074577386a3113fe203f8b54d84565e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi