GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256612203985636c3d036d84be4f1dfc1638a0af734334f3d699148cf9bba028e86
MD52f4011a96fe43adfb7f2a609d4b2d3a4
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name612203985636c3d036d84be4f1dfc1638a0af734334f3d699148cf9bba028e86
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 612203985636c3d036d84be4f1dfc1638a0af734334f3d699148cf9bba028e86
  • MD5: 2f4011a96fe43adfb7f2a609d4b2d3a4

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: 612203985636c3d0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "612203985636c3d036d84be4f1dfc1638a0af734334f3d699148cf9bba028e86"
}

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 612203985636c3d036d84be4f1dfc1638a0af734334f3d699148cf9bba028e86 # MD5 2f4011a96fe43adfb7f2a609d4b2d3a4
TypeValueNote
sha256 612203985636c3d036d84be4f1dfc1638a0af734334f3d699148cf9bba028e86 Sample:GandCrab
md5 2f4011a96fe43adfb7f2a609d4b2d3a4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi