GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ba87c2ad63f720781cc14f66c0768b8168a5477a6a69170b78c37a3edf33212b
MD56f48a0e412dd1bd011117dd34e6258c3
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Nameba87c2ad63f720781cc14f66c0768b8168a5477a6a69170b78c37a3edf33212b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: ba87c2ad63f720781cc14f66c0768b8168a5477a6a69170b78c37a3edf33212b
  • MD5: 6f48a0e412dd1bd011117dd34e6258c3

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: ba87c2ad63f72078"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ba87c2ad63f720781cc14f66c0768b8168a5477a6a69170b78c37a3edf33212b"
}

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 ba87c2ad63f720781cc14f66c0768b8168a5477a6a69170b78c37a3edf33212b # MD5 6f48a0e412dd1bd011117dd34e6258c3
TypeValueNote
sha256 ba87c2ad63f720781cc14f66c0768b8168a5477a6a69170b78c37a3edf33212b Sample:GandCrab
md5 6f48a0e412dd1bd011117dd34e6258c3 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi