GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f6a6874ca1545ee05f66ccecad6e51567f961df932260273ab46302f9f2418ca
MD5faf559e01ab5a64c1f8e15ef3a9a58db
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namef6a6874ca1545ee05f66ccecad6e51567f961df932260273ab46302f9f2418ca
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f6a6874ca1545ee05f66ccecad6e51567f961df932260273ab46302f9f2418ca
  • MD5: faf559e01ab5a64c1f8e15ef3a9a58db

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: f6a6874ca1545ee0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f6a6874ca1545ee05f66ccecad6e51567f961df932260273ab46302f9f2418ca"
}

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 f6a6874ca1545ee05f66ccecad6e51567f961df932260273ab46302f9f2418ca # MD5 faf559e01ab5a64c1f8e15ef3a9a58db
TypeValueNote
sha256 f6a6874ca1545ee05f66ccecad6e51567f961df932260273ab46302f9f2418ca Sample:GandCrab
md5 faf559e01ab5a64c1f8e15ef3a9a58db Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi