Manuel Statik Analiz — AgentTesla JS Dropper | Tehdit: KRITIK

Dosya Kimligi

SHA256af743f03eb5ff44c800adc390e461e15e904c23a471b30e95e5d73a3f0b8e54
Dosya AdiSWIFT_Payment_Receipt_30062026.js
Boyut354.411 byte
String Sayisi7.595

SWIFT Finansal Lure

Finans Sektoru Kamuflaj: SWIFT odeme makbuzu olarak sunulan bu JS dosyasi, banka ve finans kurumlarini hedef alir.

Danca Obfuske Stringleri

Ejendomsadministrationens   -- Danca: "Emlak yonetimi" (sahte degisken)
radiotelegrammet204         -- Danca: "radyo telegrami" (sahte degisken)
Telegrama                   -- Sahte referans
Vandskorpen, hildebrand     -- Danca anlamsiz isimler (obfuske)

WSH ActiveX Cagrisi

var Blaa227 = new ActiveXObject("Scripting.FileSystemObject");
-- Windows Script Host dosya sistemi erisimi
-- AgentTesla payload disk uzerine yazar, sonra calistirir

IOC

SHA256af743f03eb5ff44c800adc390e461e15e904c23a471b30e95e5d73a3f0b8e54
LureSWIFT_Payment_Receipt_30062026.js
ObfuskeDanca anlamsiz string obfuske

AgentTesla — Malware Profile

AgentTesla .NET credential stealer. JS dropper @version 8.16.22. Sayısal obfuscation v6034. SMTP FTP HTTP C2.

Malware Type
Infostealer
Programming Language
.NET
C2 Protocol
SMTP/FTP
Target Systems
Windows
Also Known As (AKA)
Agent Tesla

Technical Details

C#/.NET, SMTP/FTP/HTTP C2, GetAsyncKeyState keylogger, browser stealer (Chrome/Firefox/Edge), email client stealer, FTP stealer, VPN stealer, clipboard monitor, screenshot

Attribution / Threat Actor

Turkce konusulan gelistirici 'Turk Hack Team' ile iliskilendirilen ve Turkiye'den yonetildigi dusunulen platform. Pek cok farkli siber suc grubu musterisi bulunmaktadir.

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 (1 indicators)

IOC — AgentTesla
# SHA256 af743f03eb5ff44c800adc390e461e15e904c23a471b30e95e5d73a3f0b8e54
TypeValueNote
sha256 af743f03eb5ff44c800adc390e461e15e904c23a471b30e95e5d73a3f0b8e54 len=63

C2 Servers (8 recorded servers for this family)

Address Type Port Protocol Status Country
digicert.com domain — TCP active —
stem.ru domain — TCP active —
digicert.com domain — TCP active —
system.io domain — TCP active —
dublincore.org domain — TCP active —
system.io domain — TCP active —
system.io domain — TCP active —
googleapis.com domain — TCP active —

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
agentteslajs-dropperswift-luredanca-obfuskewsh-activexfinansal