GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563f82673c5bebf4a1c2595cb052286fac41ac41d8280b3e15d098e764c98f2dcc
MD551228f70ed0699ecd99d16abff1050ff
File Typeexe
Size72.0 KB
First Seen2023-03-24
File Name3f82673c5bebf4a1c2595cb052286fac41ac41d8280b3e15d098e764c98f2dcc
TagsGandcrab, Ransomware

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: 3f82673c5bebf4a1c2595cb052286fac41ac41d8280b3e15d098e764c98f2dcc
  • MD5: 51228f70ed0699ecd99d16abff1050ff

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: 3f82673c5bebf4a1"
        threat_level = "critical"
        first_seen = "2023-03-24"
    condition:
        hash.sha256(0, filesize) == "3f82673c5bebf4a1c2595cb052286fac41ac41d8280b3e15d098e764c98f2dcc"
}

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 3f82673c5bebf4a1c2595cb052286fac41ac41d8280b3e15d098e764c98f2dcc # MD5 51228f70ed0699ecd99d16abff1050ff
TypeValueNote
sha256 3f82673c5bebf4a1c2595cb052286fac41ac41d8280b3e15d098e764c98f2dcc Sample:GandCrab
md5 51228f70ed0699ecd99d16abff1050ff Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi