GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25673294117165d3ea5a323d930b0f87475bbdaf5dad293688e6439ac41ce3a3b6e
MD57ee526465d9ac179f7ef0d83225cf8cc
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name73294117165d3ea5a323d930b0f87475bbdaf5dad293688e6439ac41ce3a3b6e
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 73294117165d3ea5a323d930b0f87475bbdaf5dad293688e6439ac41ce3a3b6e
  • MD5: 7ee526465d9ac179f7ef0d83225cf8cc

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: 73294117165d3ea5"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "73294117165d3ea5a323d930b0f87475bbdaf5dad293688e6439ac41ce3a3b6e"
}

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 73294117165d3ea5a323d930b0f87475bbdaf5dad293688e6439ac41ce3a3b6e # MD5 7ee526465d9ac179f7ef0d83225cf8cc
TypeValueNote
sha256 73294117165d3ea5a323d930b0f87475bbdaf5dad293688e6439ac41ce3a3b6e Sample:GandCrab
md5 7ee526465d9ac179f7ef0d83225cf8cc Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi