GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569572db826cd8eb447dd13140142c82f9dbfe6a677cd888bae0f0f3cf380ae2ed
MD5f75a9cda94f6eea42c8ac6ff7de77bf0
File Typeexe
Size272.0 KB
First Seen2023-04-23
File Name2023-04-22_f75a9cda94f6eea42c8ac6ff7de77bf0_gandcrab
TagsGandcrab, Ransomware

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 9572db826cd8eb447dd13140142c82f9dbfe6a677cd888bae0f0f3cf380ae2ed
  • MD5: f75a9cda94f6eea42c8ac6ff7de77bf0

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: 9572db826cd8eb44"
        threat_level = "critical"
        first_seen = "2023-04-23"
    condition:
        hash.sha256(0, filesize) == "9572db826cd8eb447dd13140142c82f9dbfe6a677cd888bae0f0f3cf380ae2ed"
}

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 9572db826cd8eb447dd13140142c82f9dbfe6a677cd888bae0f0f3cf380ae2ed # MD5 f75a9cda94f6eea42c8ac6ff7de77bf0
TypeValueNote
sha256 9572db826cd8eb447dd13140142c82f9dbfe6a677cd888bae0f0f3cf380ae2ed Sample:GandCrab
md5 f75a9cda94f6eea42c8ac6ff7de77bf0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi