GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ae62603553e4991c67d88436d68b71849ae010197d45fdbd98f84eef6ff37a9a
MD5829513cf1d730a0f9716d9bef97918bc
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Nameae62603553e4991c67d88436d68b71849ae010197d45fdbd98f84eef6ff37a9a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: ae62603553e4991c67d88436d68b71849ae010197d45fdbd98f84eef6ff37a9a
  • MD5: 829513cf1d730a0f9716d9bef97918bc

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: ae62603553e4991c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ae62603553e4991c67d88436d68b71849ae010197d45fdbd98f84eef6ff37a9a"
}

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 ae62603553e4991c67d88436d68b71849ae010197d45fdbd98f84eef6ff37a9a # MD5 829513cf1d730a0f9716d9bef97918bc
TypeValueNote
sha256 ae62603553e4991c67d88436d68b71849ae010197d45fdbd98f84eef6ff37a9a Sample:GandCrab
md5 829513cf1d730a0f9716d9bef97918bc Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi