GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564d00d9d9a64da226db2320919ecfb35cdba9f4a84660d51222dcd33162a8543c
MD5d83749e5ed9163dc0066128226350a16
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name4d00d9d9a64da226db2320919ecfb35cdba9f4a84660d51222dcd33162a8543c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4d00d9d9a64da226db2320919ecfb35cdba9f4a84660d51222dcd33162a8543c
  • MD5: d83749e5ed9163dc0066128226350a16

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: 4d00d9d9a64da226"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4d00d9d9a64da226db2320919ecfb35cdba9f4a84660d51222dcd33162a8543c"
}

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 4d00d9d9a64da226db2320919ecfb35cdba9f4a84660d51222dcd33162a8543c # MD5 d83749e5ed9163dc0066128226350a16
TypeValueNote
sha256 4d00d9d9a64da226db2320919ecfb35cdba9f4a84660d51222dcd33162a8543c Sample:GandCrab
md5 d83749e5ed9163dc0066128226350a16 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi