GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25692cccdd1d2a5c5a79d3a85ef6229d9b5eb8cfeae480891833621ca61fb1f22d9
MD5a856a8a64752abf483414f0d3a3a8da7
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name92cccdd1d2a5c5a79d3a85ef6229d9b5eb8cfeae480891833621ca61fb1f22d9
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 92cccdd1d2a5c5a79d3a85ef6229d9b5eb8cfeae480891833621ca61fb1f22d9
  • MD5: a856a8a64752abf483414f0d3a3a8da7

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: 92cccdd1d2a5c5a7"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "92cccdd1d2a5c5a79d3a85ef6229d9b5eb8cfeae480891833621ca61fb1f22d9"
}

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 92cccdd1d2a5c5a79d3a85ef6229d9b5eb8cfeae480891833621ca61fb1f22d9 # MD5 a856a8a64752abf483414f0d3a3a8da7
TypeValueNote
sha256 92cccdd1d2a5c5a79d3a85ef6229d9b5eb8cfeae480891833621ca61fb1f22d9 Sample:GandCrab
md5 a856a8a64752abf483414f0d3a3a8da7 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi