GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25619eff0f01689fd8dd1cfa2d8941e33cf4be48ef09d1cad0844de94a5002bf379
MD5b0d293f3b98b0e30de732a73f71e8e0b
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name19eff0f01689fd8dd1cfa2d8941e33cf4be48ef09d1cad0844de94a5002bf379
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 19eff0f01689fd8dd1cfa2d8941e33cf4be48ef09d1cad0844de94a5002bf379
  • MD5: b0d293f3b98b0e30de732a73f71e8e0b

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: 19eff0f01689fd8d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "19eff0f01689fd8dd1cfa2d8941e33cf4be48ef09d1cad0844de94a5002bf379"
}

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 19eff0f01689fd8dd1cfa2d8941e33cf4be48ef09d1cad0844de94a5002bf379 # MD5 b0d293f3b98b0e30de732a73f71e8e0b
TypeValueNote
sha256 19eff0f01689fd8dd1cfa2d8941e33cf4be48ef09d1cad0844de94a5002bf379 Sample:GandCrab
md5 b0d293f3b98b0e30de732a73f71e8e0b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi