GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256725f1a5bde375a597bdd4062251b7b55487a589d7b115c6b08b4721e3e7e20df
MD52967ceb1d179eb63a491e7800cc47851
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name725f1a5bde375a597bdd4062251b7b55487a589d7b115c6b08b4721e3e7e20df
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 725f1a5bde375a597bdd4062251b7b55487a589d7b115c6b08b4721e3e7e20df
  • MD5: 2967ceb1d179eb63a491e7800cc47851

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: 725f1a5bde375a59"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "725f1a5bde375a597bdd4062251b7b55487a589d7b115c6b08b4721e3e7e20df"
}

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 725f1a5bde375a597bdd4062251b7b55487a589d7b115c6b08b4721e3e7e20df # MD5 2967ceb1d179eb63a491e7800cc47851
TypeValueNote
sha256 725f1a5bde375a597bdd4062251b7b55487a589d7b115c6b08b4721e3e7e20df Sample:GandCrab
md5 2967ceb1d179eb63a491e7800cc47851 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi