GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563742eae908e838d0fecf14ed7db511a435bbbc1c8d61039931455f453f0cb0f1
MD5b119076b546103ee99b61f0a9b4c5368
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name3742eae908e838d0fecf14ed7db511a435bbbc1c8d61039931455f453f0cb0f1
Tagsexe, Gandcrab

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: 3742eae908e838d0fecf14ed7db511a435bbbc1c8d61039931455f453f0cb0f1
  • MD5: b119076b546103ee99b61f0a9b4c5368

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: 3742eae908e838d0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "3742eae908e838d0fecf14ed7db511a435bbbc1c8d61039931455f453f0cb0f1"
}

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 3742eae908e838d0fecf14ed7db511a435bbbc1c8d61039931455f453f0cb0f1 # MD5 b119076b546103ee99b61f0a9b4c5368
TypeValueNote
sha256 3742eae908e838d0fecf14ed7db511a435bbbc1c8d61039931455f453f0cb0f1 Sample:GandCrab
md5 b119076b546103ee99b61f0a9b4c5368 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi