GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256414cc6b338ce2cb3287fcff2af5acf241919f37512ef451ad65d13aa53200413
MD5759477b0bf983edeed42fa745265ab16
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name414cc6b338ce2cb3287fcff2af5acf241919f37512ef451ad65d13aa53200413
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 414cc6b338ce2cb3287fcff2af5acf241919f37512ef451ad65d13aa53200413
  • MD5: 759477b0bf983edeed42fa745265ab16

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: 414cc6b338ce2cb3"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "414cc6b338ce2cb3287fcff2af5acf241919f37512ef451ad65d13aa53200413"
}

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 414cc6b338ce2cb3287fcff2af5acf241919f37512ef451ad65d13aa53200413 # MD5 759477b0bf983edeed42fa745265ab16
TypeValueNote
sha256 414cc6b338ce2cb3287fcff2af5acf241919f37512ef451ad65d13aa53200413 Sample:GandCrab
md5 759477b0bf983edeed42fa745265ab16 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi