GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256cf93d0561c66cc1017154f627d94285f652b01841228965279ba6af5c47699dd
MD538b5bc7d9b3cd13589558cef5253686b
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namecf93d0561c66cc1017154f627d94285f652b01841228965279ba6af5c47699dd
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: cf93d0561c66cc1017154f627d94285f652b01841228965279ba6af5c47699dd
  • MD5: 38b5bc7d9b3cd13589558cef5253686b

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: cf93d0561c66cc10"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "cf93d0561c66cc1017154f627d94285f652b01841228965279ba6af5c47699dd"
}

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 cf93d0561c66cc1017154f627d94285f652b01841228965279ba6af5c47699dd # MD5 38b5bc7d9b3cd13589558cef5253686b
TypeValueNote
sha256 cf93d0561c66cc1017154f627d94285f652b01841228965279ba6af5c47699dd Sample:GandCrab
md5 38b5bc7d9b3cd13589558cef5253686b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi