GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25633bcdb870ecbd85432f8865dbe930b79d0caf61357b293299a64a9798259886b
MD5e8846277199b0c4d10445b2dc5871b6c
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name33bcdb870ecbd85432f8865dbe930b79d0caf61357b293299a64a9798259886b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 33bcdb870ecbd85432f8865dbe930b79d0caf61357b293299a64a9798259886b
  • MD5: e8846277199b0c4d10445b2dc5871b6c

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: 33bcdb870ecbd854"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "33bcdb870ecbd85432f8865dbe930b79d0caf61357b293299a64a9798259886b"
}

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 33bcdb870ecbd85432f8865dbe930b79d0caf61357b293299a64a9798259886b # MD5 e8846277199b0c4d10445b2dc5871b6c
TypeValueNote
sha256 33bcdb870ecbd85432f8865dbe930b79d0caf61357b293299a64a9798259886b Sample:GandCrab
md5 e8846277199b0c4d10445b2dc5871b6c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi