GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fdca1122142ed4395c1f914bb262493e4b372172eb08e80949bb5b475c36017d
MD547adc312c2edea870c3274a548111a34
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namefdca1122142ed4395c1f914bb262493e4b372172eb08e80949bb5b475c36017d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: fdca1122142ed4395c1f914bb262493e4b372172eb08e80949bb5b475c36017d
  • MD5: 47adc312c2edea870c3274a548111a34

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: fdca1122142ed439"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "fdca1122142ed4395c1f914bb262493e4b372172eb08e80949bb5b475c36017d"
}

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 fdca1122142ed4395c1f914bb262493e4b372172eb08e80949bb5b475c36017d # MD5 47adc312c2edea870c3274a548111a34
TypeValueNote
sha256 fdca1122142ed4395c1f914bb262493e4b372172eb08e80949bb5b475c36017d Sample:GandCrab
md5 47adc312c2edea870c3274a548111a34 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi