GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562ffded28bbaeeb2874b757038e3e03d3dd75c343f49a1ee7482bab626fea9d7b
MD565b1f3215cf2b21e25bba6744e2a5314
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name2ffded28bbaeeb2874b757038e3e03d3dd75c343f49a1ee7482bab626fea9d7b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2ffded28bbaeeb2874b757038e3e03d3dd75c343f49a1ee7482bab626fea9d7b
  • MD5: 65b1f3215cf2b21e25bba6744e2a5314

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: 2ffded28bbaeeb28"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2ffded28bbaeeb2874b757038e3e03d3dd75c343f49a1ee7482bab626fea9d7b"
}

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 2ffded28bbaeeb2874b757038e3e03d3dd75c343f49a1ee7482bab626fea9d7b # MD5 65b1f3215cf2b21e25bba6744e2a5314
TypeValueNote
sha256 2ffded28bbaeeb2874b757038e3e03d3dd75c343f49a1ee7482bab626fea9d7b Sample:GandCrab
md5 65b1f3215cf2b21e25bba6744e2a5314 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi