GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564bcbb73c9ea1307fb5cb6b1fc400472ca97dedf52e16665fbcf0ac48d783da31
MD5a1c4266a074219ffec6f8e922ad8d303
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name4bcbb73c9ea1307fb5cb6b1fc400472ca97dedf52e16665fbcf0ac48d783da31
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4bcbb73c9ea1307fb5cb6b1fc400472ca97dedf52e16665fbcf0ac48d783da31
  • MD5: a1c4266a074219ffec6f8e922ad8d303

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: 4bcbb73c9ea1307f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4bcbb73c9ea1307fb5cb6b1fc400472ca97dedf52e16665fbcf0ac48d783da31"
}

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 4bcbb73c9ea1307fb5cb6b1fc400472ca97dedf52e16665fbcf0ac48d783da31 # MD5 a1c4266a074219ffec6f8e922ad8d303
TypeValueNote
sha256 4bcbb73c9ea1307fb5cb6b1fc400472ca97dedf52e16665fbcf0ac48d783da31 Sample:GandCrab
md5 a1c4266a074219ffec6f8e922ad8d303 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi