GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256447061760c5490771ce4063012ba74aef5f9bc065f49408bd047bf441fa3575b
MD5d7866f3b787f2cffc3efeb08771f82a1
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name447061760c5490771ce4063012ba74aef5f9bc065f49408bd047bf441fa3575b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 447061760c5490771ce4063012ba74aef5f9bc065f49408bd047bf441fa3575b
  • MD5: d7866f3b787f2cffc3efeb08771f82a1

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: 447061760c549077"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "447061760c5490771ce4063012ba74aef5f9bc065f49408bd047bf441fa3575b"
}

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 447061760c5490771ce4063012ba74aef5f9bc065f49408bd047bf441fa3575b # MD5 d7866f3b787f2cffc3efeb08771f82a1
TypeValueNote
sha256 447061760c5490771ce4063012ba74aef5f9bc065f49408bd047bf441fa3575b Sample:GandCrab
md5 d7866f3b787f2cffc3efeb08771f82a1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi