AgentTesla | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA256517ce010c5a304a7e1ba776c98b07cee6d2c39269cfec30d7da3b8c15d0c2b9c
MD5ea6b386159052e4e0311ae8a81848585
File Typejs
Size347.6 KB
First Seen2026-04-15
File Namefibulae.afm.js
Tags172-245-95-9, AgentTesla, dropped, js, tecnoruoteindustriali-it

Malware Family: AgentTesla

Agent Tesla, keylogger'dır.

TypeInfostealer
Programming Language.NET
Target PlatformWindows
C2 ProtocolSMTP/FTP
PurposeTuş kaydı, hırsızlık
First Seen Year2014
AliasesAgent Tesla

Threat Indicators (IOC)

  • SHA256: 517ce010c5a304a7e1ba776c98b07cee6d2c39269cfec30d7da3b8c15d0c2b9c
  • MD5: ea6b386159052e4e0311ae8a81848585

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 AgentTesla_SHA256 {
    meta:
        description = "AgentTesla sample: 517ce010c5a304a7"
        threat_level = "high"
        first_seen = "2026-04-15"
    condition:
        hash.sha256(0, filesize) == "517ce010c5a304a7e1ba776c98b07cee6d2c39269cfec30d7da3b8c15d0c2b9c"
}

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 517ce010c5a304a7e1ba776c98b07cee6d2c39269cfec30d7da3b8c15d0c2b9c # MD5 ea6b386159052e4e0311ae8a81848585
TypeValueNote
sha256 517ce010c5a304a7e1ba776c98b07cee6d2c39269cfec30d7da3b8c15d0c2b9c Sample:AgentTesla
md5 ea6b386159052e4e0311ae8a81848585 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.

Tags
agentteslainfostealermalwarehighsha256hash-analizi