GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256337875a5b16e7c65c6eb48e2959ca1e606ae00889b8d13536946a9168a1cba87
MD55f58d32849ba128086e777a4cf9441be
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name337875a5b16e7c65c6eb48e2959ca1e606ae00889b8d13536946a9168a1cba87
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 337875a5b16e7c65c6eb48e2959ca1e606ae00889b8d13536946a9168a1cba87
  • MD5: 5f58d32849ba128086e777a4cf9441be

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: 337875a5b16e7c65"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "337875a5b16e7c65c6eb48e2959ca1e606ae00889b8d13536946a9168a1cba87"
}

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 337875a5b16e7c65c6eb48e2959ca1e606ae00889b8d13536946a9168a1cba87 # MD5 5f58d32849ba128086e777a4cf9441be
TypeValueNote
sha256 337875a5b16e7c65c6eb48e2959ca1e606ae00889b8d13536946a9168a1cba87 Sample:GandCrab
md5 5f58d32849ba128086e777a4cf9441be Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi