GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567e0781d151acc1b68068e56ec223d8dc676dbcf0776fd9181b24dbab7ce36649
MD5bb479853493f90d9f4ee9146cb11ad3b
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name7e0781d151acc1b68068e56ec223d8dc676dbcf0776fd9181b24dbab7ce36649
Tagsexe, Gandcrab

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: 7e0781d151acc1b68068e56ec223d8dc676dbcf0776fd9181b24dbab7ce36649
  • MD5: bb479853493f90d9f4ee9146cb11ad3b

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: 7e0781d151acc1b6"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7e0781d151acc1b68068e56ec223d8dc676dbcf0776fd9181b24dbab7ce36649"
}

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 7e0781d151acc1b68068e56ec223d8dc676dbcf0776fd9181b24dbab7ce36649 # MD5 bb479853493f90d9f4ee9146cb11ad3b
TypeValueNote
sha256 7e0781d151acc1b68068e56ec223d8dc676dbcf0776fd9181b24dbab7ce36649 Sample:GandCrab
md5 bb479853493f90d9f4ee9146cb11ad3b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi