GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25638cb44609286d7a3f11a30f780fce5922d6a7373b117a7472c661f79ce99437e
MD58ce9955e5012dd1c45ca84b3698ca066
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name38cb44609286d7a3f11a30f780fce5922d6a7373b117a7472c661f79ce99437e
Tagsexe, Gandcrab

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: 38cb44609286d7a3f11a30f780fce5922d6a7373b117a7472c661f79ce99437e
  • MD5: 8ce9955e5012dd1c45ca84b3698ca066

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: 38cb44609286d7a3"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "38cb44609286d7a3f11a30f780fce5922d6a7373b117a7472c661f79ce99437e"
}

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 38cb44609286d7a3f11a30f780fce5922d6a7373b117a7472c661f79ce99437e # MD5 8ce9955e5012dd1c45ca84b3698ca066
TypeValueNote
sha256 38cb44609286d7a3f11a30f780fce5922d6a7373b117a7472c661f79ce99437e Sample:GandCrab
md5 8ce9955e5012dd1c45ca84b3698ca066 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi