AgentTesla | Tehdit Seviyesi: high | Tür: Infostealer
Kriptografik Tanımlayıcılar
| SHA256 | b4ab9468cbd04d146ba5bb69f1636ea38bdc25baf50c68ca8b1416d5b7e391c7 |
|---|---|
| MD5 | 3ab9b70e4da1748d3cd2679c6dff64ac |
| Dosya Türü | exe |
| Boyut | 564.0 KB |
| İlk Görülme | 2026-06-08 |
| Dosya Adı | b4ab9468cbd04d146ba5bb69f1636ea38bdc25baf50c68ca8b1416d5b7e391c7 |
| Etiketler | AgentTesla, exe |
Malware Ailesi: AgentTesla
Agent Tesla, 2014'ten beri aktif keylogger'dır.
| Tür | Infostealer |
|---|---|
| Programlama Dili | .NET |
| Hedef Platform | Windows |
| C2 Protokolü | SMTP/FTP |
| Amaç | Tuş kaydı, kimlik bilgisi hırsızlığı |
| İlk Görülen Yıl | 2014 |
| Diğer İsimler | Agent Tesla |
Tehdit Göstergeleri (IOC)
- SHA256:
b4ab9468cbd04d146ba5bb69f1636ea38bdc25baf50c68ca8b1416d5b7e391c7 - MD5:
3ab9b70e4da1748d3cd2679c6dff64ac
Sistem Temizleme Rehberi
- Sistemi ağdan hemen ayırın
- Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
- Kripto cüzdanları yeni bir adrese taşıyın, eski cüzdanları terk edin
- Güncel antivirüs ile tam tarama başlatın
- Tarayıcı kayıtlı şifrelerini temizleyin ve 2FA aktif edin
- Etkilenen tüm hizmetlerde oturumları kapatın
YARA Kuralı İpuçları
rule AgentTesla_SHA256 {
meta:
description = "AgentTesla sample: b4ab9468cbd04d14"
threat_level = "high"
first_seen = "2026-06-08"
condition:
hash.sha256(0, filesize) == "b4ab9468cbd04d146ba5bb69f1636ea38bdc25baf50c68ca8b1416d5b7e391c7"
}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 (20 indicators)
IOC — AgentTesla
# SHA256
b4ab9468cbd04d146ba5bb69f1636ea38bdc25baf50c68ca8b1416d5b7e391c7
# MD5
3ab9b70e4da1748d3cd2679c6dff64ac
# IP
45.33.120.163
# IP
198.54.117.197
# DOMAIN
emailsrv-2024.net
# DOMAIN
secure-mail-relay.com
# DOMAIN
telemetry-agent.xyz
# DOMAIN
smtp.freemail-host.xyz
# DOMAIN
mail.smtp2go.host
# MUTEX
agent_tesla_mutex
# REGISTRY
HKCUSoftwareMicrosoftWindowsCurrentVersionRunAgentTesla
# REGISTRY
HKCUSoftwareMicrosoftWindowsCurrentVersionRunAgent
# FILEPATH
%APPDATA%RoamingAgent[hash].exe
# FILEPATH
%TEMP%agent.exe
# EMAIL
stealer.exfil2025@gmail.com
# EMAIL
harvester_data@protonmail.com
# EMAIL
exfil@protonmail.com
# EMAIL
stealer@mail.com
# EMAIL
exfil@telegram-relay.ru
# URL
https://agenttelsa-ftp.ru/exfil/
| Type | Value | Note |
|---|---|---|
| sha256 | b4ab9468cbd04d146ba5bb69f1636ea38bdc25baf50c68ca8b1416d5b7e391c7 | |
| md5 | 3ab9b70e4da1748d3cd2679c6dff64ac | |
| ip | 45.33.120.163 | AgentTesla SMTP relay |
| ip | 198.54.117.197 | AgentTesla FTP server |
| domain | emailsrv-2024.net | AgentTesla SMTP C2 domain |
| domain | secure-mail-relay.com | AgentTesla FTP exfil domain |
| domain | telemetry-agent.xyz | AgentTesla WebPanel C2 |
| domain | smtp.freemail-host.xyz | C2:587 |
| domain | mail.smtp2go.host | C2:587 |
| mutex | agent_tesla_mutex | AgentTesla default mutex |
| registry | HKCUSoftwareMicrosoftWindowsCurrentVersionRunAgentTesla | AgentTesla Run key |
| registry | HKCUSoftwareMicrosoftWindowsCurrentVersionRunAgent | AgentTesla persistence - generic agent name |
| filepath | %APPDATA%RoamingAgent[hash].exe | AgentTesla persistence path |
| filepath | %TEMP%agent.exe | AgentTesla dropper path |
| stealer.exfil2025@gmail.com | AgentTesla exfiltration Gmail - OSINT tespiti | |
| harvester_data@protonmail.com | AgentTesla ProtonMail exfil - anonym | |
| exfil@protonmail.com | AgentTesla SMTP exfiltration address (sample) | |
| stealer@mail.com | AgentTesla credential email (placeholder) | |
| exfil@telegram-relay.ru | AgentTesla exfil e-posta | |
| url | https://agenttelsa-ftp.ru/exfil/ | AgentTesla FTP exfiltration endpoint |
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.