GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25646c7c631bffaa708788007f337ba3377b067deaee9a5bd1b2946a538a93fba3a
MD5b4e94157637fe2b5b572e7f0e3bcbe3e
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name46c7c631bffaa708788007f337ba3377b067deaee9a5bd1b2946a538a93fba3a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 46c7c631bffaa708788007f337ba3377b067deaee9a5bd1b2946a538a93fba3a
  • MD5: b4e94157637fe2b5b572e7f0e3bcbe3e

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: 46c7c631bffaa708"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "46c7c631bffaa708788007f337ba3377b067deaee9a5bd1b2946a538a93fba3a"
}

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 46c7c631bffaa708788007f337ba3377b067deaee9a5bd1b2946a538a93fba3a # MD5 b4e94157637fe2b5b572e7f0e3bcbe3e
TypeValueNote
sha256 46c7c631bffaa708788007f337ba3377b067deaee9a5bd1b2946a538a93fba3a Sample:GandCrab
md5 b4e94157637fe2b5b572e7f0e3bcbe3e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi