GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d15b11c3979a4e621c6643ac7b83e84bd2a5b4b5f0671aab22c5ace67fdecdcd
MD53fb001ccd85a8b0cb5fcc253b87f9d74
File Typeexe
Size87.7 KB
First Seen2022-08-30
File Named15b11c3979a4e621c6643ac7b83e84bd2a5b4b5f0671aab22c5ace67fdecdcd
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d15b11c3979a4e621c6643ac7b83e84bd2a5b4b5f0671aab22c5ace67fdecdcd
  • MD5: 3fb001ccd85a8b0cb5fcc253b87f9d74

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: d15b11c3979a4e62"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d15b11c3979a4e621c6643ac7b83e84bd2a5b4b5f0671aab22c5ace67fdecdcd"
}

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 d15b11c3979a4e621c6643ac7b83e84bd2a5b4b5f0671aab22c5ace67fdecdcd # MD5 3fb001ccd85a8b0cb5fcc253b87f9d74
TypeValueNote
sha256 d15b11c3979a4e621c6643ac7b83e84bd2a5b4b5f0671aab22c5ace67fdecdcd Sample:GandCrab
md5 3fb001ccd85a8b0cb5fcc253b87f9d74 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi