GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560233c5df0dc88fcb205db8746bf91603fc5cbdd7b56ecdd323140a5b30904f01
MD57ee993f4c19b8238f7557fc2143ffca3
File Typeexe
Size2638.8 KB
First Seen2022-08-30
File Name0233c5df0dc88fcb205db8746bf91603fc5cbdd7b56ecdd323140a5b30904f01
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 0233c5df0dc88fcb205db8746bf91603fc5cbdd7b56ecdd323140a5b30904f01
  • MD5: 7ee993f4c19b8238f7557fc2143ffca3

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: 0233c5df0dc88fcb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "0233c5df0dc88fcb205db8746bf91603fc5cbdd7b56ecdd323140a5b30904f01"
}

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 0233c5df0dc88fcb205db8746bf91603fc5cbdd7b56ecdd323140a5b30904f01 # MD5 7ee993f4c19b8238f7557fc2143ffca3
TypeValueNote
sha256 0233c5df0dc88fcb205db8746bf91603fc5cbdd7b56ecdd323140a5b30904f01 Sample:GandCrab
md5 7ee993f4c19b8238f7557fc2143ffca3 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi