AgentTesla | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA2563359619c9f75f1c0bc00b687a9f0dcfdc01407b89a1d938a5846ebcace8461d6
MD5b3b82caad21f2489984f365dbdb8922e
File Typejs
Size1403.8 KB
First Seen2026-04-15
File NamePOENGG032.js
TagsAgentTesla, js

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: 3359619c9f75f1c0bc00b687a9f0dcfdc01407b89a1d938a5846ebcace8461d6
  • MD5: b3b82caad21f2489984f365dbdb8922e

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: 3359619c9f75f1c0"
        threat_level = "high"
        first_seen = "2026-04-15"
    condition:
        hash.sha256(0, filesize) == "3359619c9f75f1c0bc00b687a9f0dcfdc01407b89a1d938a5846ebcace8461d6"
}

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 3359619c9f75f1c0bc00b687a9f0dcfdc01407b89a1d938a5846ebcace8461d6 # MD5 b3b82caad21f2489984f365dbdb8922e
TypeValueNote
sha256 3359619c9f75f1c0bc00b687a9f0dcfdc01407b89a1d938a5846ebcace8461d6 Sample:AgentTesla
md5 b3b82caad21f2489984f365dbdb8922e 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