GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25656f030bb04a633cbafc40538c8e3b6b0d2bd2aba167b88ef74a2b62ca56c5b00
MD5beeb9ba5510e2c5b9b8fb2242cb64fd1
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name56f030bb04a633cbafc40538c8e3b6b0d2bd2aba167b88ef74a2b62ca56c5b00
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: 56f030bb04a633cbafc40538c8e3b6b0d2bd2aba167b88ef74a2b62ca56c5b00
  • MD5: beeb9ba5510e2c5b9b8fb2242cb64fd1

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: 56f030bb04a633cb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "56f030bb04a633cbafc40538c8e3b6b0d2bd2aba167b88ef74a2b62ca56c5b00"
}

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 56f030bb04a633cbafc40538c8e3b6b0d2bd2aba167b88ef74a2b62ca56c5b00 # MD5 beeb9ba5510e2c5b9b8fb2242cb64fd1
TypeValueNote
sha256 56f030bb04a633cbafc40538c8e3b6b0d2bd2aba167b88ef74a2b62ca56c5b00 Sample:GandCrab
md5 beeb9ba5510e2c5b9b8fb2242cb64fd1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi