GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256424b44bd99cceba7b9d0337b49ba3810ac15d2c8e79fffa665375e5468644a7a
MD5f1cad9cf6875b2b2c47cd285000d72d1
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name424b44bd99cceba7b9d0337b49ba3810ac15d2c8e79fffa665375e5468644a7a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 424b44bd99cceba7b9d0337b49ba3810ac15d2c8e79fffa665375e5468644a7a
  • MD5: f1cad9cf6875b2b2c47cd285000d72d1

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: 424b44bd99cceba7"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "424b44bd99cceba7b9d0337b49ba3810ac15d2c8e79fffa665375e5468644a7a"
}

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 424b44bd99cceba7b9d0337b49ba3810ac15d2c8e79fffa665375e5468644a7a # MD5 f1cad9cf6875b2b2c47cd285000d72d1
TypeValueNote
sha256 424b44bd99cceba7b9d0337b49ba3810ac15d2c8e79fffa665375e5468644a7a Sample:GandCrab
md5 f1cad9cf6875b2b2c47cd285000d72d1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi