GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565884667d2e8666efe4a1de37518046219f063a2e922b8347e2497aa2c6d3a503
MD514b8b7c7e573b4a20e89654b19fe3729
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name5884667d2e8666efe4a1de37518046219f063a2e922b8347e2497aa2c6d3a503
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5884667d2e8666efe4a1de37518046219f063a2e922b8347e2497aa2c6d3a503
  • MD5: 14b8b7c7e573b4a20e89654b19fe3729

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: 5884667d2e8666ef"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5884667d2e8666efe4a1de37518046219f063a2e922b8347e2497aa2c6d3a503"
}

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 5884667d2e8666efe4a1de37518046219f063a2e922b8347e2497aa2c6d3a503 # MD5 14b8b7c7e573b4a20e89654b19fe3729
TypeValueNote
sha256 5884667d2e8666efe4a1de37518046219f063a2e922b8347e2497aa2c6d3a503 Sample:GandCrab
md5 14b8b7c7e573b4a20e89654b19fe3729 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi