GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563bb36b2708d622c82b04fd562c784a716a8be3fbb192b4a2af0621513153644d
MD5a6c0d4edcfac7a007113a54a6a759ee5
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name3bb36b2708d622c82b04fd562c784a716a8be3fbb192b4a2af0621513153644d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 3bb36b2708d622c82b04fd562c784a716a8be3fbb192b4a2af0621513153644d
  • MD5: a6c0d4edcfac7a007113a54a6a759ee5

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: 3bb36b2708d622c8"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "3bb36b2708d622c82b04fd562c784a716a8be3fbb192b4a2af0621513153644d"
}

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 3bb36b2708d622c82b04fd562c784a716a8be3fbb192b4a2af0621513153644d # MD5 a6c0d4edcfac7a007113a54a6a759ee5
TypeValueNote
sha256 3bb36b2708d622c82b04fd562c784a716a8be3fbb192b4a2af0621513153644d Sample:GandCrab
md5 a6c0d4edcfac7a007113a54a6a759ee5 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi