GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561763891e9bf2124effb79540df0e1a56930e9979e60e8e2e09d1c3e02ccf95a5
MD5b5c897b8a6219256e1d89560e2fc4d2b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name1763891e9bf2124effb79540df0e1a56930e9979e60e8e2e09d1c3e02ccf95a5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1763891e9bf2124effb79540df0e1a56930e9979e60e8e2e09d1c3e02ccf95a5
  • MD5: b5c897b8a6219256e1d89560e2fc4d2b

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: 1763891e9bf2124e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1763891e9bf2124effb79540df0e1a56930e9979e60e8e2e09d1c3e02ccf95a5"
}

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 1763891e9bf2124effb79540df0e1a56930e9979e60e8e2e09d1c3e02ccf95a5 # MD5 b5c897b8a6219256e1d89560e2fc4d2b
TypeValueNote
sha256 1763891e9bf2124effb79540df0e1a56930e9979e60e8e2e09d1c3e02ccf95a5 Sample:GandCrab
md5 b5c897b8a6219256e1d89560e2fc4d2b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi