GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fc17fb8050818d093282bdb2fa6f396062745b8f13215729f72049159b039777
MD5e4175241e1e47d3436be68aa6b7f57c9
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namefc17fb8050818d093282bdb2fa6f396062745b8f13215729f72049159b039777
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: fc17fb8050818d093282bdb2fa6f396062745b8f13215729f72049159b039777
  • MD5: e4175241e1e47d3436be68aa6b7f57c9

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: fc17fb8050818d09"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "fc17fb8050818d093282bdb2fa6f396062745b8f13215729f72049159b039777"
}

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 fc17fb8050818d093282bdb2fa6f396062745b8f13215729f72049159b039777 # MD5 e4175241e1e47d3436be68aa6b7f57c9
TypeValueNote
sha256 fc17fb8050818d093282bdb2fa6f396062745b8f13215729f72049159b039777 Sample:GandCrab
md5 e4175241e1e47d3436be68aa6b7f57c9 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi