GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567615e99c0caa77ea0b12f4b2316bfb3791f2366020afa31b7ef67b4cc1518dcd
MD541a555472668bd736f684f83f1dcdaed
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name7615e99c0caa77ea0b12f4b2316bfb3791f2366020afa31b7ef67b4cc1518dcd
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 7615e99c0caa77ea0b12f4b2316bfb3791f2366020afa31b7ef67b4cc1518dcd
  • MD5: 41a555472668bd736f684f83f1dcdaed

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: 7615e99c0caa77ea"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7615e99c0caa77ea0b12f4b2316bfb3791f2366020afa31b7ef67b4cc1518dcd"
}

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 7615e99c0caa77ea0b12f4b2316bfb3791f2366020afa31b7ef67b4cc1518dcd # MD5 41a555472668bd736f684f83f1dcdaed
TypeValueNote
sha256 7615e99c0caa77ea0b12f4b2316bfb3791f2366020afa31b7ef67b4cc1518dcd Sample:GandCrab
md5 41a555472668bd736f684f83f1dcdaed Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi