GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25698a1882c06b76b03669a9d70cb52b3268360bb9c7671128520b78f5bb77539a8
MD5ed28f50e5f4d794ee81494ccbd2f37d0
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name98a1882c06b76b03669a9d70cb52b3268360bb9c7671128520b78f5bb77539a8
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 98a1882c06b76b03669a9d70cb52b3268360bb9c7671128520b78f5bb77539a8
  • MD5: ed28f50e5f4d794ee81494ccbd2f37d0

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: 98a1882c06b76b03"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "98a1882c06b76b03669a9d70cb52b3268360bb9c7671128520b78f5bb77539a8"
}

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 98a1882c06b76b03669a9d70cb52b3268360bb9c7671128520b78f5bb77539a8 # MD5 ed28f50e5f4d794ee81494ccbd2f37d0
TypeValueNote
sha256 98a1882c06b76b03669a9d70cb52b3268360bb9c7671128520b78f5bb77539a8 Sample:GandCrab
md5 ed28f50e5f4d794ee81494ccbd2f37d0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi