GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bf14d135f117f5b052a2e727c31c2876c7e17b0de6e8c320034aabe546d5a139
MD5bf803b59df0f17520159e77d0de5a450
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Namebf14d135f117f5b052a2e727c31c2876c7e17b0de6e8c320034aabe546d5a139
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: bf14d135f117f5b052a2e727c31c2876c7e17b0de6e8c320034aabe546d5a139
  • MD5: bf803b59df0f17520159e77d0de5a450

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: bf14d135f117f5b0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "bf14d135f117f5b052a2e727c31c2876c7e17b0de6e8c320034aabe546d5a139"
}

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 bf14d135f117f5b052a2e727c31c2876c7e17b0de6e8c320034aabe546d5a139 # MD5 bf803b59df0f17520159e77d0de5a450
TypeValueNote
sha256 bf14d135f117f5b052a2e727c31c2876c7e17b0de6e8c320034aabe546d5a139 Sample:GandCrab
md5 bf803b59df0f17520159e77d0de5a450 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi