AgentTesla | Threat Level: high | Type: Infostealer
Cryptographic Identifiers
| SHA256 | 3420ee11371c89745534a0c17f93fbe3b11991c2cc109b2f33ae9a2a8bfc8141 |
|---|---|
| MD5 | 7f31ca4db3c0e5c9215e0e38c75858c2 |
| File Type | jse |
| Size | 43.8 KB |
| First Seen | 2026-05-26 |
| File Name | facturas vencidas FE9989, FE86765, FD8787567, NV0049890.jse |
| Tags | AgentTesla, jse |
Malware Family: AgentTesla
Agent Tesla, keylogger'dır.
| Type | Infostealer |
|---|---|
| Programming Language | .NET |
| Target Platform | Windows |
| C2 Protocol | SMTP/FTP |
| Purpose | Tuş kaydı, hırsızlık |
| First Seen Year | 2014 |
| Aliases | Agent Tesla |
Threat Indicators (IOC)
- SHA256:
3420ee11371c89745534a0c17f93fbe3b11991c2cc109b2f33ae9a2a8bfc8141 - MD5:
7f31ca4db3c0e5c9215e0e38c75858c2
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 AgentTesla_SHA256 {
meta:
description = "AgentTesla sample: 3420ee11371c8974"
threat_level = "high"
first_seen = "2026-05-26"
condition:
hash.sha256(0, filesize) == "3420ee11371c89745534a0c17f93fbe3b11991c2cc109b2f33ae9a2a8bfc8141"
}
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 (2 indicators)
IOC — AgentTesla
# SHA256
3420ee11371c89745534a0c17f93fbe3b11991c2cc109b2f33ae9a2a8bfc8141
# MD5
7f31ca4db3c0e5c9215e0e38c75858c2
| Type | Value | Note |
|---|---|---|
| sha256 | 3420ee11371c89745534a0c17f93fbe3b11991c2cc109b2f33ae9a2a8bfc8141 | Sample:AgentTesla |
| md5 | 7f31ca4db3c0e5c9215e0e38c75858c2 | Sample:AgentTesla |
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 | — |
| dublincore.org | domain | — | TCP | active | — |
| googleapis.com | domain | — | TCP | active | — |
| microsoft.com | domain | — | TCP | active | — |
| freightfacilitators.com | domain | — | TCP | active | — |
| digicert.com | domain | — | TCP | active | — |
C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.