GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560ddcce08b727ccbbae208459032f010956794a84b7f35e225b5bae927b0f6835
MD57bd74c234b2b0a783340f7bc8f273c84
File Typeexe
Size70.0 KB
First Seen2023-03-08
File Name2023-03-07_7bd74c234b2b0a783340f7bc8f273c84_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: 0ddcce08b727ccbbae208459032f010956794a84b7f35e225b5bae927b0f6835
  • MD5: 7bd74c234b2b0a783340f7bc8f273c84

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: 0ddcce08b727ccbb"
        threat_level = "critical"
        first_seen = "2023-03-08"
    condition:
        hash.sha256(0, filesize) == "0ddcce08b727ccbbae208459032f010956794a84b7f35e225b5bae927b0f6835"
}

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 0ddcce08b727ccbbae208459032f010956794a84b7f35e225b5bae927b0f6835 # MD5 7bd74c234b2b0a783340f7bc8f273c84
TypeValueNote
sha256 0ddcce08b727ccbbae208459032f010956794a84b7f35e225b5bae927b0f6835 Sample:GandCrab
md5 7bd74c234b2b0a783340f7bc8f273c84 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi