GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569ae362cbb590010114ff6825344292d38d78b5672a64ec0cd030dff8f72c2196
MD5059a13c59621098f30349ceb2518ac95
File Typeexe
Size70.0 KB
First Seen2023-03-07
File Name2023-03-06_059a13c59621098f30349ceb2518ac95_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: 9ae362cbb590010114ff6825344292d38d78b5672a64ec0cd030dff8f72c2196
  • MD5: 059a13c59621098f30349ceb2518ac95

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: 9ae362cbb5900101"
        threat_level = "critical"
        first_seen = "2023-03-07"
    condition:
        hash.sha256(0, filesize) == "9ae362cbb590010114ff6825344292d38d78b5672a64ec0cd030dff8f72c2196"
}

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 9ae362cbb590010114ff6825344292d38d78b5672a64ec0cd030dff8f72c2196 # MD5 059a13c59621098f30349ceb2518ac95
TypeValueNote
sha256 9ae362cbb590010114ff6825344292d38d78b5672a64ec0cd030dff8f72c2196 Sample:GandCrab
md5 059a13c59621098f30349ceb2518ac95 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi