GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25636f9b7767af000d555aa93a58626301858a045f02444a829f82998197a04901f
MD560b8d3f88b5b3c8cbe0a2d0a4e41dc3a
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name36f9b7767af000d555aa93a58626301858a045f02444a829f82998197a04901f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 36f9b7767af000d555aa93a58626301858a045f02444a829f82998197a04901f
  • MD5: 60b8d3f88b5b3c8cbe0a2d0a4e41dc3a

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: 36f9b7767af000d5"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "36f9b7767af000d555aa93a58626301858a045f02444a829f82998197a04901f"
}

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 36f9b7767af000d555aa93a58626301858a045f02444a829f82998197a04901f # MD5 60b8d3f88b5b3c8cbe0a2d0a4e41dc3a
TypeValueNote
sha256 36f9b7767af000d555aa93a58626301858a045f02444a829f82998197a04901f Sample:GandCrab
md5 60b8d3f88b5b3c8cbe0a2d0a4e41dc3a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi