GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25647f984424860024ff3f806a6b0604b94e319ae94310a6296dd03d032d37630d9
MD50e97e441298f34e7f940d5a0f412b39d
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name47f984424860024ff3f806a6b0604b94e319ae94310a6296dd03d032d37630d9
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 47f984424860024ff3f806a6b0604b94e319ae94310a6296dd03d032d37630d9
  • MD5: 0e97e441298f34e7f940d5a0f412b39d

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: 47f984424860024f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "47f984424860024ff3f806a6b0604b94e319ae94310a6296dd03d032d37630d9"
}

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 47f984424860024ff3f806a6b0604b94e319ae94310a6296dd03d032d37630d9 # MD5 0e97e441298f34e7f940d5a0f412b39d
TypeValueNote
sha256 47f984424860024ff3f806a6b0604b94e319ae94310a6296dd03d032d37630d9 Sample:GandCrab
md5 0e97e441298f34e7f940d5a0f412b39d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi