GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f22a79dd7577eec0773bfa9b60a760f2e93ae7aa918b1400b973a24974f8cb24
MD5f580d6ee53bc1489e67d295a591d58e5
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef22a79dd7577eec0773bfa9b60a760f2e93ae7aa918b1400b973a24974f8cb24
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f22a79dd7577eec0773bfa9b60a760f2e93ae7aa918b1400b973a24974f8cb24
  • MD5: f580d6ee53bc1489e67d295a591d58e5

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: f22a79dd7577eec0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f22a79dd7577eec0773bfa9b60a760f2e93ae7aa918b1400b973a24974f8cb24"
}

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 f22a79dd7577eec0773bfa9b60a760f2e93ae7aa918b1400b973a24974f8cb24 # MD5 f580d6ee53bc1489e67d295a591d58e5
TypeValueNote
sha256 f22a79dd7577eec0773bfa9b60a760f2e93ae7aa918b1400b973a24974f8cb24 Sample:GandCrab
md5 f580d6ee53bc1489e67d295a591d58e5 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi