GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567c7fe315b35bd7b6365a0fc9c52b30a4b680db63506fa4f5b8508c39703ab61e
MD5a432153d3ac67755ab4386164868256c
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name7c7fe315b35bd7b6365a0fc9c52b30a4b680db63506fa4f5b8508c39703ab61e
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 7c7fe315b35bd7b6365a0fc9c52b30a4b680db63506fa4f5b8508c39703ab61e
  • MD5: a432153d3ac67755ab4386164868256c

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: 7c7fe315b35bd7b6"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7c7fe315b35bd7b6365a0fc9c52b30a4b680db63506fa4f5b8508c39703ab61e"
}

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 7c7fe315b35bd7b6365a0fc9c52b30a4b680db63506fa4f5b8508c39703ab61e # MD5 a432153d3ac67755ab4386164868256c
TypeValueNote
sha256 7c7fe315b35bd7b6365a0fc9c52b30a4b680db63506fa4f5b8508c39703ab61e Sample:GandCrab
md5 a432153d3ac67755ab4386164868256c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi