GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256388ff1b0b6a62166eb7af9e7cc3f8dfceae0d66c333871cdaba10ac957568c4f
MD584498c799d168d7eb70c1c0ed51d063b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name388ff1b0b6a62166eb7af9e7cc3f8dfceae0d66c333871cdaba10ac957568c4f
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: 388ff1b0b6a62166eb7af9e7cc3f8dfceae0d66c333871cdaba10ac957568c4f
  • MD5: 84498c799d168d7eb70c1c0ed51d063b

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: 388ff1b0b6a62166"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "388ff1b0b6a62166eb7af9e7cc3f8dfceae0d66c333871cdaba10ac957568c4f"
}

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 388ff1b0b6a62166eb7af9e7cc3f8dfceae0d66c333871cdaba10ac957568c4f # MD5 84498c799d168d7eb70c1c0ed51d063b
TypeValueNote
sha256 388ff1b0b6a62166eb7af9e7cc3f8dfceae0d66c333871cdaba10ac957568c4f Sample:GandCrab
md5 84498c799d168d7eb70c1c0ed51d063b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi