GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ecd8e9ed858fc2d170b243352ea0e8e16e87d48d5de04f8de5f8f6e1026c76fe
MD586a99da3feb0496916922bdc97944c81
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Nameecd8e9ed858fc2d170b243352ea0e8e16e87d48d5de04f8de5f8f6e1026c76fe
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: ecd8e9ed858fc2d170b243352ea0e8e16e87d48d5de04f8de5f8f6e1026c76fe
  • MD5: 86a99da3feb0496916922bdc97944c81

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: ecd8e9ed858fc2d1"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ecd8e9ed858fc2d170b243352ea0e8e16e87d48d5de04f8de5f8f6e1026c76fe"
}

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 ecd8e9ed858fc2d170b243352ea0e8e16e87d48d5de04f8de5f8f6e1026c76fe # MD5 86a99da3feb0496916922bdc97944c81
TypeValueNote
sha256 ecd8e9ed858fc2d170b243352ea0e8e16e87d48d5de04f8de5f8f6e1026c76fe Sample:GandCrab
md5 86a99da3feb0496916922bdc97944c81 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi