GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563bb9fb8e6f269e4312f10669b64636b8228ae92d2e60b7460de1003ea24a1b3a
MD56b8b7aa4f399198acfaac3ab4bdace00
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name3bb9fb8e6f269e4312f10669b64636b8228ae92d2e60b7460de1003ea24a1b3a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 3bb9fb8e6f269e4312f10669b64636b8228ae92d2e60b7460de1003ea24a1b3a
  • MD5: 6b8b7aa4f399198acfaac3ab4bdace00

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: 3bb9fb8e6f269e43"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "3bb9fb8e6f269e4312f10669b64636b8228ae92d2e60b7460de1003ea24a1b3a"
}

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 3bb9fb8e6f269e4312f10669b64636b8228ae92d2e60b7460de1003ea24a1b3a # MD5 6b8b7aa4f399198acfaac3ab4bdace00
TypeValueNote
sha256 3bb9fb8e6f269e4312f10669b64636b8228ae92d2e60b7460de1003ea24a1b3a Sample:GandCrab
md5 6b8b7aa4f399198acfaac3ab4bdace00 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi