GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25663675b4a0e54d988b49d7b127b25b0a6aa669147b49e70b235900df67925fad7
MD5b192d0bc947f7bf1b64624ec8121337c
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name63675b4a0e54d988b49d7b127b25b0a6aa669147b49e70b235900df67925fad7
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 63675b4a0e54d988b49d7b127b25b0a6aa669147b49e70b235900df67925fad7
  • MD5: b192d0bc947f7bf1b64624ec8121337c

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: 63675b4a0e54d988"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "63675b4a0e54d988b49d7b127b25b0a6aa669147b49e70b235900df67925fad7"
}

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 63675b4a0e54d988b49d7b127b25b0a6aa669147b49e70b235900df67925fad7 # MD5 b192d0bc947f7bf1b64624ec8121337c
TypeValueNote
sha256 63675b4a0e54d988b49d7b127b25b0a6aa669147b49e70b235900df67925fad7 Sample:GandCrab
md5 b192d0bc947f7bf1b64624ec8121337c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi