GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f72d71725b5aa3320b12fc714de10bb5c4d85909d1fb6fa44c05046d6262bbed
MD51db45542f11731e05705de737b1be6fb
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namef72d71725b5aa3320b12fc714de10bb5c4d85909d1fb6fa44c05046d6262bbed
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f72d71725b5aa3320b12fc714de10bb5c4d85909d1fb6fa44c05046d6262bbed
  • MD5: 1db45542f11731e05705de737b1be6fb

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: f72d71725b5aa332"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f72d71725b5aa3320b12fc714de10bb5c4d85909d1fb6fa44c05046d6262bbed"
}

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 f72d71725b5aa3320b12fc714de10bb5c4d85909d1fb6fa44c05046d6262bbed # MD5 1db45542f11731e05705de737b1be6fb
TypeValueNote
sha256 f72d71725b5aa3320b12fc714de10bb5c4d85909d1fb6fa44c05046d6262bbed Sample:GandCrab
md5 1db45542f11731e05705de737b1be6fb Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi