GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256586052ad690c907d6d6898551c3d60c7efa614e655bbda490d5f1992f2b708a4
MD5fcf0babbc2ca27ca5069e7e45914efaf
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name586052ad690c907d6d6898551c3d60c7efa614e655bbda490d5f1992f2b708a4
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 586052ad690c907d6d6898551c3d60c7efa614e655bbda490d5f1992f2b708a4
  • MD5: fcf0babbc2ca27ca5069e7e45914efaf

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: 586052ad690c907d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "586052ad690c907d6d6898551c3d60c7efa614e655bbda490d5f1992f2b708a4"
}

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 586052ad690c907d6d6898551c3d60c7efa614e655bbda490d5f1992f2b708a4 # MD5 fcf0babbc2ca27ca5069e7e45914efaf
TypeValueNote
sha256 586052ad690c907d6d6898551c3d60c7efa614e655bbda490d5f1992f2b708a4 Sample:GandCrab
md5 fcf0babbc2ca27ca5069e7e45914efaf Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi