GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b62795206314c3ae1ace8aa4b5b7721e02228609767b23aae504cf29722b0adf
MD5e570fc2aa204a7860f43156e904ee67d
File Typeexe
Size428.0 KB
First Seen2023-05-09
File Name2023-05-08_e570fc2aa204a7860f43156e904ee67d_gandcrab
TagsGandcrab

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: b62795206314c3ae1ace8aa4b5b7721e02228609767b23aae504cf29722b0adf
  • MD5: e570fc2aa204a7860f43156e904ee67d

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: b62795206314c3ae"
        threat_level = "critical"
        first_seen = "2023-05-09"
    condition:
        hash.sha256(0, filesize) == "b62795206314c3ae1ace8aa4b5b7721e02228609767b23aae504cf29722b0adf"
}

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 b62795206314c3ae1ace8aa4b5b7721e02228609767b23aae504cf29722b0adf # MD5 e570fc2aa204a7860f43156e904ee67d
TypeValueNote
sha256 b62795206314c3ae1ace8aa4b5b7721e02228609767b23aae504cf29722b0adf Sample:GandCrab
md5 e570fc2aa204a7860f43156e904ee67d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi