GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256278789f8c1ea20149968027c07d89c876abf98cb759f33d6ac0bcdf407b07662
MD55eb383a6de73963c036603665fd9c3de
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name278789f8c1ea20149968027c07d89c876abf98cb759f33d6ac0bcdf407b07662
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: 278789f8c1ea20149968027c07d89c876abf98cb759f33d6ac0bcdf407b07662
  • MD5: 5eb383a6de73963c036603665fd9c3de

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: 278789f8c1ea2014"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "278789f8c1ea20149968027c07d89c876abf98cb759f33d6ac0bcdf407b07662"
}

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 278789f8c1ea20149968027c07d89c876abf98cb759f33d6ac0bcdf407b07662 # MD5 5eb383a6de73963c036603665fd9c3de
TypeValueNote
sha256 278789f8c1ea20149968027c07d89c876abf98cb759f33d6ac0bcdf407b07662 Sample:GandCrab
md5 5eb383a6de73963c036603665fd9c3de Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi