GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f8413d58beec74d1f11bf1b5018a7c5599c1d841600d304a0342a7aff2b7217e
MD51491e513fe739d64a3965d01758d97c6
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef8413d58beec74d1f11bf1b5018a7c5599c1d841600d304a0342a7aff2b7217e
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f8413d58beec74d1f11bf1b5018a7c5599c1d841600d304a0342a7aff2b7217e
  • MD5: 1491e513fe739d64a3965d01758d97c6

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: f8413d58beec74d1"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f8413d58beec74d1f11bf1b5018a7c5599c1d841600d304a0342a7aff2b7217e"
}

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 f8413d58beec74d1f11bf1b5018a7c5599c1d841600d304a0342a7aff2b7217e # MD5 1491e513fe739d64a3965d01758d97c6
TypeValueNote
sha256 f8413d58beec74d1f11bf1b5018a7c5599c1d841600d304a0342a7aff2b7217e Sample:GandCrab
md5 1491e513fe739d64a3965d01758d97c6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi