GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567b70f42b3a08aaaf1d46d4b80de7156c19ddcf1ddd82947dd269db1e9e23bb67
MD53b43bfc5029dc4e3aeabc9305538b530
File Typeexe
Size184.0 KB
First Seen2022-11-30
File Name3B43BFC5029DC4E3AEABC9305538B530
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: 7b70f42b3a08aaaf1d46d4b80de7156c19ddcf1ddd82947dd269db1e9e23bb67
  • MD5: 3b43bfc5029dc4e3aeabc9305538b530

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: 7b70f42b3a08aaaf"
        threat_level = "critical"
        first_seen = "2022-11-30"
    condition:
        hash.sha256(0, filesize) == "7b70f42b3a08aaaf1d46d4b80de7156c19ddcf1ddd82947dd269db1e9e23bb67"
}

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 7b70f42b3a08aaaf1d46d4b80de7156c19ddcf1ddd82947dd269db1e9e23bb67 # MD5 3b43bfc5029dc4e3aeabc9305538b530
TypeValueNote
sha256 7b70f42b3a08aaaf1d46d4b80de7156c19ddcf1ddd82947dd269db1e9e23bb67 Sample:GandCrab
md5 3b43bfc5029dc4e3aeabc9305538b530 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi