GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25698e204b1beba014d9cf8ac252dcd282765434a917bcdb20b6ddff00ee5ba783f
MD5b1cf888ba7733adc79337448bf78817b
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name98e204b1beba014d9cf8ac252dcd282765434a917bcdb20b6ddff00ee5ba783f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 98e204b1beba014d9cf8ac252dcd282765434a917bcdb20b6ddff00ee5ba783f
  • MD5: b1cf888ba7733adc79337448bf78817b

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: 98e204b1beba014d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "98e204b1beba014d9cf8ac252dcd282765434a917bcdb20b6ddff00ee5ba783f"
}

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 98e204b1beba014d9cf8ac252dcd282765434a917bcdb20b6ddff00ee5ba783f # MD5 b1cf888ba7733adc79337448bf78817b
TypeValueNote
sha256 98e204b1beba014d9cf8ac252dcd282765434a917bcdb20b6ddff00ee5ba783f Sample:GandCrab
md5 b1cf888ba7733adc79337448bf78817b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi