GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25692e4c69be7bc92ed8125514386f573ad2aa08790b470d8f3b519ea2f9be23732
MD5a1b0a5d8288938fa8c3c71a782625c65
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name92e4c69be7bc92ed8125514386f573ad2aa08790b470d8f3b519ea2f9be23732
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 92e4c69be7bc92ed8125514386f573ad2aa08790b470d8f3b519ea2f9be23732
  • MD5: a1b0a5d8288938fa8c3c71a782625c65

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: 92e4c69be7bc92ed"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "92e4c69be7bc92ed8125514386f573ad2aa08790b470d8f3b519ea2f9be23732"
}

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 92e4c69be7bc92ed8125514386f573ad2aa08790b470d8f3b519ea2f9be23732 # MD5 a1b0a5d8288938fa8c3c71a782625c65
TypeValueNote
sha256 92e4c69be7bc92ed8125514386f573ad2aa08790b470d8f3b519ea2f9be23732 Sample:GandCrab
md5 a1b0a5d8288938fa8c3c71a782625c65 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi