GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256413bad0a798bc18a460561f2ee1a78c6dd4deb7f734fc8e32dc2134fdeaeaab9
MD5c5bd713a4633541af1c86f8a660513a0
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name413bad0a798bc18a460561f2ee1a78c6dd4deb7f734fc8e32dc2134fdeaeaab9
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 413bad0a798bc18a460561f2ee1a78c6dd4deb7f734fc8e32dc2134fdeaeaab9
  • MD5: c5bd713a4633541af1c86f8a660513a0

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: 413bad0a798bc18a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "413bad0a798bc18a460561f2ee1a78c6dd4deb7f734fc8e32dc2134fdeaeaab9"
}

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 413bad0a798bc18a460561f2ee1a78c6dd4deb7f734fc8e32dc2134fdeaeaab9 # MD5 c5bd713a4633541af1c86f8a660513a0
TypeValueNote
sha256 413bad0a798bc18a460561f2ee1a78c6dd4deb7f734fc8e32dc2134fdeaeaab9 Sample:GandCrab
md5 c5bd713a4633541af1c86f8a660513a0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi