GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569d353f944c725d84cf75761f04faddd865862fa62df0a4337ef80f88e56a3a0b
MD5c307bb78800862a9ba9a87dc56cdfe9a
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name9d353f944c725d84cf75761f04faddd865862fa62df0a4337ef80f88e56a3a0b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 9d353f944c725d84cf75761f04faddd865862fa62df0a4337ef80f88e56a3a0b
  • MD5: c307bb78800862a9ba9a87dc56cdfe9a

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: 9d353f944c725d84"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9d353f944c725d84cf75761f04faddd865862fa62df0a4337ef80f88e56a3a0b"
}

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 9d353f944c725d84cf75761f04faddd865862fa62df0a4337ef80f88e56a3a0b # MD5 c307bb78800862a9ba9a87dc56cdfe9a
TypeValueNote
sha256 9d353f944c725d84cf75761f04faddd865862fa62df0a4337ef80f88e56a3a0b Sample:GandCrab
md5 c307bb78800862a9ba9a87dc56cdfe9a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi