GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ed8f77ab621501968b2564397dbb77f0f22c23aecb690b9f87c8fde78093672c
MD55ee98beaa29cf047e5a1a638e5f9e1c9
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Nameed8f77ab621501968b2564397dbb77f0f22c23aecb690b9f87c8fde78093672c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: ed8f77ab621501968b2564397dbb77f0f22c23aecb690b9f87c8fde78093672c
  • MD5: 5ee98beaa29cf047e5a1a638e5f9e1c9

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: ed8f77ab62150196"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ed8f77ab621501968b2564397dbb77f0f22c23aecb690b9f87c8fde78093672c"
}

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 ed8f77ab621501968b2564397dbb77f0f22c23aecb690b9f87c8fde78093672c # MD5 5ee98beaa29cf047e5a1a638e5f9e1c9
TypeValueNote
sha256 ed8f77ab621501968b2564397dbb77f0f22c23aecb690b9f87c8fde78093672c Sample:GandCrab
md5 5ee98beaa29cf047e5a1a638e5f9e1c9 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi