GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256000fa4efe118d8d6ea069c8692b8c848500d84ef02e696594b781c79997243d5
MD58f656864d1a3857a6b3b3c2a19e99bd7
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name000fa4efe118d8d6ea069c8692b8c848500d84ef02e696594b781c79997243d5
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: 000fa4efe118d8d6ea069c8692b8c848500d84ef02e696594b781c79997243d5
  • MD5: 8f656864d1a3857a6b3b3c2a19e99bd7

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: 000fa4efe118d8d6"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "000fa4efe118d8d6ea069c8692b8c848500d84ef02e696594b781c79997243d5"
}

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 000fa4efe118d8d6ea069c8692b8c848500d84ef02e696594b781c79997243d5 # MD5 8f656864d1a3857a6b3b3c2a19e99bd7
TypeValueNote
sha256 000fa4efe118d8d6ea069c8692b8c848500d84ef02e696594b781c79997243d5 Sample:GandCrab
md5 8f656864d1a3857a6b3b3c2a19e99bd7 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi