GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f69a93db338c9b5532a4ab6c1a38a2b89e4906c65ecdda0b6983d9f21625581b
MD56389d3a59d7d7e36e29092eabc738708
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namef69a93db338c9b5532a4ab6c1a38a2b89e4906c65ecdda0b6983d9f21625581b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f69a93db338c9b5532a4ab6c1a38a2b89e4906c65ecdda0b6983d9f21625581b
  • MD5: 6389d3a59d7d7e36e29092eabc738708

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: f69a93db338c9b55"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f69a93db338c9b5532a4ab6c1a38a2b89e4906c65ecdda0b6983d9f21625581b"
}

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 f69a93db338c9b5532a4ab6c1a38a2b89e4906c65ecdda0b6983d9f21625581b # MD5 6389d3a59d7d7e36e29092eabc738708
TypeValueNote
sha256 f69a93db338c9b5532a4ab6c1a38a2b89e4906c65ecdda0b6983d9f21625581b Sample:GandCrab
md5 6389d3a59d7d7e36e29092eabc738708 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi