GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25654fe81f805b27cd865000e0ca2ea0d221bfa57b5fa7a3bb1c2522f65c1c73ddd
MD5027e36f635e1fd9c18a64c92c001346b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name54fe81f805b27cd865000e0ca2ea0d221bfa57b5fa7a3bb1c2522f65c1c73ddd
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 54fe81f805b27cd865000e0ca2ea0d221bfa57b5fa7a3bb1c2522f65c1c73ddd
  • MD5: 027e36f635e1fd9c18a64c92c001346b

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: 54fe81f805b27cd8"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "54fe81f805b27cd865000e0ca2ea0d221bfa57b5fa7a3bb1c2522f65c1c73ddd"
}

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 54fe81f805b27cd865000e0ca2ea0d221bfa57b5fa7a3bb1c2522f65c1c73ddd # MD5 027e36f635e1fd9c18a64c92c001346b
TypeValueNote
sha256 54fe81f805b27cd865000e0ca2ea0d221bfa57b5fa7a3bb1c2522f65c1c73ddd Sample:GandCrab
md5 027e36f635e1fd9c18a64c92c001346b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi