XLoader | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA25631d05d9bffa3fac7e7120e3c4fd3d9f254b045cb37091c6f4b6966be8f766eb6
MD5638ddd541b438eca3b9eb1eabebbebc1
File Typexlsx
Size26.9 KB
First Seen2022-04-14
File Namebağış sertifikası.xlsx
Tagscve-2017-0199, FormBook, xloader, xlsx

Malware Family: XLoader

XLoader, FormBook türevi stealer'dır.

TypeInfostealer
Programming LanguageC
Target PlatformWindows/macOS
C2 ProtocolHTTP
PurposeFormBook türevi
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: 31d05d9bffa3fac7e7120e3c4fd3d9f254b045cb37091c6f4b6966be8f766eb6
  • MD5: 638ddd541b438eca3b9eb1eabebbebc1

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network immediately
  2. Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
  3. Move crypto wallets to a new address and abandon the old ones
  4. Start a full scan with up-to-date antivirus
  5. Clear saved browser passwords and enable 2FA
  6. Sign out of all sessions on every affected service

YARA Rule Hints

rule XLoader_SHA256 {
    meta:
        description = "XLoader sample: 31d05d9bffa3fac7"
        threat_level = "high"
        first_seen = "2022-04-14"
    condition:
        hash.sha256(0, filesize) == "31d05d9bffa3fac7e7120e3c4fd3d9f254b045cb37091c6f4b6966be8f766eb6"
}

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 31d05d9bffa3fac7e7120e3c4fd3d9f254b045cb37091c6f4b6966be8f766eb6 # MD5 638ddd541b438eca3b9eb1eabebbebc1
TypeValueNote
sha256 31d05d9bffa3fac7e7120e3c4fd3d9f254b045cb37091c6f4b6966be8f766eb6 Sample:XLoader
md5 638ddd541b438eca3b9eb1eabebbebc1 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.

Tags
xloaderinfostealermalwarehighsha256hash-analizi