GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25663faa9154d76580c000d4affbdf4743fb08a22f09fbafc5478bffc4800e583fd
MD52fa936308f9f73416d9c49283625994e
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name63faa9154d76580c000d4affbdf4743fb08a22f09fbafc5478bffc4800e583fd
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 63faa9154d76580c000d4affbdf4743fb08a22f09fbafc5478bffc4800e583fd
  • MD5: 2fa936308f9f73416d9c49283625994e

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: 63faa9154d76580c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "63faa9154d76580c000d4affbdf4743fb08a22f09fbafc5478bffc4800e583fd"
}

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 63faa9154d76580c000d4affbdf4743fb08a22f09fbafc5478bffc4800e583fd # MD5 2fa936308f9f73416d9c49283625994e
TypeValueNote
sha256 63faa9154d76580c000d4affbdf4743fb08a22f09fbafc5478bffc4800e583fd Sample:GandCrab
md5 2fa936308f9f73416d9c49283625994e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi