GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562213650aca50829557f9716273228074fb421ac07a2d67a9af30779bc954bb0b
MD506683a5188150fb9b8b99d0fd8f6ed7b
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name2213650aca50829557f9716273228074fb421ac07a2d67a9af30779bc954bb0b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2213650aca50829557f9716273228074fb421ac07a2d67a9af30779bc954bb0b
  • MD5: 06683a5188150fb9b8b99d0fd8f6ed7b

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: 2213650aca508295"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2213650aca50829557f9716273228074fb421ac07a2d67a9af30779bc954bb0b"
}

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 2213650aca50829557f9716273228074fb421ac07a2d67a9af30779bc954bb0b # MD5 06683a5188150fb9b8b99d0fd8f6ed7b
TypeValueNote
sha256 2213650aca50829557f9716273228074fb421ac07a2d67a9af30779bc954bb0b Sample:GandCrab
md5 06683a5188150fb9b8b99d0fd8f6ed7b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi