GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25601aabfaa4177d8d4953a65e8c0d92df98d5eb9a3b8d557a369301660a252f550
MD57e3b2b10d66955465c12da9f2ab43e36
File Typeexe
Size155.5 KB
First Seen2023-08-22
File Name2023-08-22_7e3b2b10d66955465c12da9f2ab43e36_gandcrab
TagsGandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 01aabfaa4177d8d4953a65e8c0d92df98d5eb9a3b8d557a369301660a252f550
  • MD5: 7e3b2b10d66955465c12da9f2ab43e36

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: 01aabfaa4177d8d4"
        threat_level = "critical"
        first_seen = "2023-08-22"
    condition:
        hash.sha256(0, filesize) == "01aabfaa4177d8d4953a65e8c0d92df98d5eb9a3b8d557a369301660a252f550"
}

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 01aabfaa4177d8d4953a65e8c0d92df98d5eb9a3b8d557a369301660a252f550 # MD5 7e3b2b10d66955465c12da9f2ab43e36
TypeValueNote
sha256 01aabfaa4177d8d4953a65e8c0d92df98d5eb9a3b8d557a369301660a252f550 Sample:GandCrab
md5 7e3b2b10d66955465c12da9f2ab43e36 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi