GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fd771db3c22e60349dc38cc71eb93b5240a0eb6381bfc3b1c50673ccb66b19b4
MD5fc7bc694a0bf0878654d123d76a3a187
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namefd771db3c22e60349dc38cc71eb93b5240a0eb6381bfc3b1c50673ccb66b19b4
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: fd771db3c22e60349dc38cc71eb93b5240a0eb6381bfc3b1c50673ccb66b19b4
  • MD5: fc7bc694a0bf0878654d123d76a3a187

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: fd771db3c22e6034"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "fd771db3c22e60349dc38cc71eb93b5240a0eb6381bfc3b1c50673ccb66b19b4"
}

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 fd771db3c22e60349dc38cc71eb93b5240a0eb6381bfc3b1c50673ccb66b19b4 # MD5 fc7bc694a0bf0878654d123d76a3a187
TypeValueNote
sha256 fd771db3c22e60349dc38cc71eb93b5240a0eb6381bfc3b1c50673ccb66b19b4 Sample:GandCrab
md5 fc7bc694a0bf0878654d123d76a3a187 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi