XLoader | Threat Level: high | Type: Infostealer
Cryptographic Identifiers
| SHA256 | 656fd275d35b686220d5e221c29b239b6f1462c526b97ae9c3f778ccd14fb2c6 |
|---|---|
| MD5 | 979d8d0d2e5f1cd54641a49a9de98b77 |
| File Type | js |
| Size | 57.1 KB |
| First Seen | 2025-09-24 |
| File Name | Enquiry.js |
| Tags | FormBook, js, stego, xloader |
Malware Family: XLoader
XLoader, FormBook türevi'dir.
| Type | Infostealer |
|---|---|
| Programming Language | C |
| Target Platform | Windows/macOS |
| C2 Protocol | HTTP |
| Purpose | Stealer |
| First Seen Year | 2020 |
Threat Indicators (IOC)
- SHA256:
656fd275d35b686220d5e221c29b239b6f1462c526b97ae9c3f778ccd14fb2c6 - MD5:
979d8d0d2e5f1cd54641a49a9de98b77
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Disconnect the system from the network immediately
- Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
- Move crypto wallets to a new address and abandon the old ones
- Start a full scan with up-to-date antivirus
- Clear saved browser passwords and enable 2FA
- Sign out of all sessions on every affected service
YARA Rule Hints
rule XLoader_SHA256 {
meta:
description = "XLoader sample: 656fd275d35b6862"
threat_level = "high"
first_seen = "2025-09-24"
condition:
hash.sha256(0, filesize) == "656fd275d35b686220d5e221c29b239b6f1462c526b97ae9c3f778ccd14fb2c6"
}
XLoader — Malware Profile
XLoader, FormBook türevi stealer'dır.
Malware Type
Infostealer
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows/macOS
Technical Details
Varyanta gore C/C#/VBS/PS1, anti-analysis (VM/debugger check), persistence (Registry/Task Scheduler/Startup folder), payload decryption ve injection (shellcode/PE), fileless execution teknikleri
Capabilities & Behavior
Tarayıcı Kimlik Bilgileri
Çerez Hırsızlığı
Kripto Cüzdan Çalma
Sistem Bilgisi
Ekran Görüntüsü
FTP/SSH İstemci Şifreleri
E-posta İstemcisi Çalma
Veri Sızıntısı
IOC List (2 indicators)
IOC — XLoader
# SHA256
656fd275d35b686220d5e221c29b239b6f1462c526b97ae9c3f778ccd14fb2c6
# MD5
979d8d0d2e5f1cd54641a49a9de98b77
| Type | Value | Note |
|---|---|---|
| sha256 | 656fd275d35b686220d5e221c29b239b6f1462c526b97ae9c3f778ccd14fb2c6 | Sample:XLoader |
| md5 | 979d8d0d2e5f1cd54641a49a9de98b77 | Sample:XLoader |
C2 Servers (1 recorded servers for this family)
| Address | Type | Port | Protocol | Status | Country |
|---|---|---|---|---|---|
| 45.131.66.167 | ip | 4444 | HTTP | inactive | RU |
C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.