GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565d47119a1871c21af7f93d0bd55715c25dd0200703fb6f796f7d204e4389a89a
MD5a940c2eda8a199b5f4c85c5cdea9ce81
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name5d47119a1871c21af7f93d0bd55715c25dd0200703fb6f796f7d204e4389a89a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5d47119a1871c21af7f93d0bd55715c25dd0200703fb6f796f7d204e4389a89a
  • MD5: a940c2eda8a199b5f4c85c5cdea9ce81

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: 5d47119a1871c21a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5d47119a1871c21af7f93d0bd55715c25dd0200703fb6f796f7d204e4389a89a"
}

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 5d47119a1871c21af7f93d0bd55715c25dd0200703fb6f796f7d204e4389a89a # MD5 a940c2eda8a199b5f4c85c5cdea9ce81
TypeValueNote
sha256 5d47119a1871c21af7f93d0bd55715c25dd0200703fb6f796f7d204e4389a89a Sample:GandCrab
md5 a940c2eda8a199b5f4c85c5cdea9ce81 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi