Agent Tesla — NSIS Dropper, Advice-copy Yem, SMTP Exfiltrasyon Email Stoppulsen@Baadflygtningene.Bo | Yuksek

Manuel Statik Analiz (LLM Okumali) — Agent Tesla (NSIS Dropper) | Tehdit: YUKSEK

Dosya Kimligi

SHA256	`c031a1a29441d679585a0bb2d2fdb9489284dab44e6cdd7f49567aa61d6033ac`
Yem Adi	Advice-copy3006202600112.exe (danismanlik belgesi yemi)
Boyut	453.264 byte
Dis Katman	NSIS (Nullsoft Scriptable Install System) installer

SMTP Exfiltrasyon Email IOC

NSIS katmaninin dis yuzeyinde SMTP exfiltrasyon icin kullanilan alici email adresi bulunmaktadir:

SMTP Alici: Stoppulsen@Baadflygtningene.Bo
Domain:     Baadflygtningene.Bo
TLD:        .bo (Bolivya)

Bu email adresi, AgentTesla'nin calan verileri (sifre, keylog, screenshot) gonderdigi SMTP kutusunu temsil etmektedir. "Baadflygtningene" Danca "kotu multeciler" anlamina gelir; sosyal muhendislik amaciyla kurban ilgisini cekebilecek semantik bir isim sectigi anlasilmaktadir.

Agent Tesla SMTP Exfiltrasyon Mimarisi

AgentTesla V3, calan verileri dogrudan SMTP uzerinden saldirganin kutusuna gonderir
SMTP sunucusu, port ve sifre de inner PE katmaninda sifrelenmis olarak bulunur
Her kurban bildirimi email subject'inde OS, IP ve hostname bilgisi icerir

IOC

SHA256	`c031a1a29441d679585a0bb2d2fdb9489284dab44e6cdd7f49567aa61d6033ac`
SMTP Email	Stoppulsen@Baadflygtningene.Bo
Domain	Baadflygtningene.Bo
Yem	Advice-copy3006202600112.exe

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
c031a1a29441d679585a0bb2d2fdb9489284dab44e6cdd7f49567aa61d6033ac

Type	Value	Note
sha256	c031a1a29441d679585a0bb2d2fdb9489284dab44e6cdd7f49567aa61d6033ac

AgentTesla — Go to Full Profile →

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.