GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f971d7334ac4f9ad97e00062e64aaeed0cf505ff2cf04029d3ce9d213a6b5edc
MD55bf82d179fb4a88b440bb27658910f80
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namef971d7334ac4f9ad97e00062e64aaeed0cf505ff2cf04029d3ce9d213a6b5edc
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f971d7334ac4f9ad97e00062e64aaeed0cf505ff2cf04029d3ce9d213a6b5edc
  • MD5: 5bf82d179fb4a88b440bb27658910f80

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: f971d7334ac4f9ad"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f971d7334ac4f9ad97e00062e64aaeed0cf505ff2cf04029d3ce9d213a6b5edc"
}

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 f971d7334ac4f9ad97e00062e64aaeed0cf505ff2cf04029d3ce9d213a6b5edc # MD5 5bf82d179fb4a88b440bb27658910f80
TypeValueNote
sha256 f971d7334ac4f9ad97e00062e64aaeed0cf505ff2cf04029d3ce9d213a6b5edc Sample:GandCrab
md5 5bf82d179fb4a88b440bb27658910f80 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi