GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256224c26c3176931fbbdb313423f9e23b5addc1765edd0016899e3405f02ecd821
MD5d66597b939ee4026e96a05a394b3a98b
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name224c26c3176931fbbdb313423f9e23b5addc1765edd0016899e3405f02ecd821
Tagsexe, Gandcrab

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: 224c26c3176931fbbdb313423f9e23b5addc1765edd0016899e3405f02ecd821
  • MD5: d66597b939ee4026e96a05a394b3a98b

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: 224c26c3176931fb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "224c26c3176931fbbdb313423f9e23b5addc1765edd0016899e3405f02ecd821"
}

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 224c26c3176931fbbdb313423f9e23b5addc1765edd0016899e3405f02ecd821 # MD5 d66597b939ee4026e96a05a394b3a98b
TypeValueNote
sha256 224c26c3176931fbbdb313423f9e23b5addc1765edd0016899e3405f02ecd821 Sample:GandCrab
md5 d66597b939ee4026e96a05a394b3a98b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi