GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bd66e5bf9ba68b070bd8646d3a7d7a3557109de9c1af887eb67ded75d8e0a2fe
MD5dccbb3d61c4253512798d94c298587da
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namebd66e5bf9ba68b070bd8646d3a7d7a3557109de9c1af887eb67ded75d8e0a2fe
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: bd66e5bf9ba68b070bd8646d3a7d7a3557109de9c1af887eb67ded75d8e0a2fe
  • MD5: dccbb3d61c4253512798d94c298587da

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: bd66e5bf9ba68b07"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "bd66e5bf9ba68b070bd8646d3a7d7a3557109de9c1af887eb67ded75d8e0a2fe"
}

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 bd66e5bf9ba68b070bd8646d3a7d7a3557109de9c1af887eb67ded75d8e0a2fe # MD5 dccbb3d61c4253512798d94c298587da
TypeValueNote
sha256 bd66e5bf9ba68b070bd8646d3a7d7a3557109de9c1af887eb67ded75d8e0a2fe Sample:GandCrab
md5 dccbb3d61c4253512798d94c298587da Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi