GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256aa6f135719511e095690d2b72f0e129d9af1d1ac36c4830f094e46261b01a765
MD5fa72ef32ad7cd651322cc60d1d8ad935
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Nameaa6f135719511e095690d2b72f0e129d9af1d1ac36c4830f094e46261b01a765
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: aa6f135719511e095690d2b72f0e129d9af1d1ac36c4830f094e46261b01a765
  • MD5: fa72ef32ad7cd651322cc60d1d8ad935

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: aa6f135719511e09"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "aa6f135719511e095690d2b72f0e129d9af1d1ac36c4830f094e46261b01a765"
}

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 aa6f135719511e095690d2b72f0e129d9af1d1ac36c4830f094e46261b01a765 # MD5 fa72ef32ad7cd651322cc60d1d8ad935
TypeValueNote
sha256 aa6f135719511e095690d2b72f0e129d9af1d1ac36c4830f094e46261b01a765 Sample:GandCrab
md5 fa72ef32ad7cd651322cc60d1d8ad935 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi