GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25615c3b8490e560a97cbb3cd8aaa4de6ba943bd18d4f8ac1e6adccdbb6de5f2523
MD55164e3f0c83e7318a7eba35caac63c96
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name15c3b8490e560a97cbb3cd8aaa4de6ba943bd18d4f8ac1e6adccdbb6de5f2523
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 15c3b8490e560a97cbb3cd8aaa4de6ba943bd18d4f8ac1e6adccdbb6de5f2523
  • MD5: 5164e3f0c83e7318a7eba35caac63c96

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: 15c3b8490e560a97"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "15c3b8490e560a97cbb3cd8aaa4de6ba943bd18d4f8ac1e6adccdbb6de5f2523"
}

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 15c3b8490e560a97cbb3cd8aaa4de6ba943bd18d4f8ac1e6adccdbb6de5f2523 # MD5 5164e3f0c83e7318a7eba35caac63c96
TypeValueNote
sha256 15c3b8490e560a97cbb3cd8aaa4de6ba943bd18d4f8ac1e6adccdbb6de5f2523 Sample:GandCrab
md5 5164e3f0c83e7318a7eba35caac63c96 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi