GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f7bc4035885482fa54125c8616b34b364009467887e9557b3051e1d91a1052a0
MD57131a56f30c9459ef1ae03cbbf65e3cd
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef7bc4035885482fa54125c8616b34b364009467887e9557b3051e1d91a1052a0
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f7bc4035885482fa54125c8616b34b364009467887e9557b3051e1d91a1052a0
  • MD5: 7131a56f30c9459ef1ae03cbbf65e3cd

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: f7bc4035885482fa"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f7bc4035885482fa54125c8616b34b364009467887e9557b3051e1d91a1052a0"
}

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 f7bc4035885482fa54125c8616b34b364009467887e9557b3051e1d91a1052a0 # MD5 7131a56f30c9459ef1ae03cbbf65e3cd
TypeValueNote
sha256 f7bc4035885482fa54125c8616b34b364009467887e9557b3051e1d91a1052a0 Sample:GandCrab
md5 7131a56f30c9459ef1ae03cbbf65e3cd Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi