GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563dcde6b11e985731d6a4315f394a654082cff1a2a080e5d0957bc6a1b8ffb432
MD5f20230f590a5875e100a69d951258f47
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name3dcde6b11e985731d6a4315f394a654082cff1a2a080e5d0957bc6a1b8ffb432
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 3dcde6b11e985731d6a4315f394a654082cff1a2a080e5d0957bc6a1b8ffb432
  • MD5: f20230f590a5875e100a69d951258f47

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: 3dcde6b11e985731"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "3dcde6b11e985731d6a4315f394a654082cff1a2a080e5d0957bc6a1b8ffb432"
}

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 3dcde6b11e985731d6a4315f394a654082cff1a2a080e5d0957bc6a1b8ffb432 # MD5 f20230f590a5875e100a69d951258f47
TypeValueNote
sha256 3dcde6b11e985731d6a4315f394a654082cff1a2a080e5d0957bc6a1b8ffb432 Sample:GandCrab
md5 f20230f590a5875e100a69d951258f47 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi