GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569a2565629a171a9bd2903d6df4ada42fb6613ae85be66c8b54b58cd4569c87f3
MD51873c05ebf79bf8392d184e579094ac8
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name9a2565629a171a9bd2903d6df4ada42fb6613ae85be66c8b54b58cd4569c87f3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 9a2565629a171a9bd2903d6df4ada42fb6613ae85be66c8b54b58cd4569c87f3
  • MD5: 1873c05ebf79bf8392d184e579094ac8

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: 9a2565629a171a9b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9a2565629a171a9bd2903d6df4ada42fb6613ae85be66c8b54b58cd4569c87f3"
}

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 9a2565629a171a9bd2903d6df4ada42fb6613ae85be66c8b54b58cd4569c87f3 # MD5 1873c05ebf79bf8392d184e579094ac8
TypeValueNote
sha256 9a2565629a171a9bd2903d6df4ada42fb6613ae85be66c8b54b58cd4569c87f3 Sample:GandCrab
md5 1873c05ebf79bf8392d184e579094ac8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi