GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566811ad3c357327d497b80225fe9dfd4fb115b9686d3dfe0b4cc1c90469b25cda
MD5286b4b36cfc960054d4010201ae8e943
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name6811ad3c357327d497b80225fe9dfd4fb115b9686d3dfe0b4cc1c90469b25cda
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 6811ad3c357327d497b80225fe9dfd4fb115b9686d3dfe0b4cc1c90469b25cda
  • MD5: 286b4b36cfc960054d4010201ae8e943

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: 6811ad3c357327d4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6811ad3c357327d497b80225fe9dfd4fb115b9686d3dfe0b4cc1c90469b25cda"
}

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 6811ad3c357327d497b80225fe9dfd4fb115b9686d3dfe0b4cc1c90469b25cda # MD5 286b4b36cfc960054d4010201ae8e943
TypeValueNote
sha256 6811ad3c357327d497b80225fe9dfd4fb115b9686d3dfe0b4cc1c90469b25cda Sample:GandCrab
md5 286b4b36cfc960054d4010201ae8e943 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi