AgentTesla | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA256dc12faa460faab18a12d8ac33fb3a3a96c95232cff2f124df15300475cc20486
MD5cd66735e5e540b3ec4f0efe41a66e9d0
File Typejs
Size3268.8 KB
First Seen2026-06-19
File NameP.O #77644..JS
TagsAgentTesla, exe, js

Malware Family: AgentTesla

Agent Tesla, 2014'ten beri aktif keylogger'dır.

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

Threat Indicators (IOC)

  • SHA256: dc12faa460faab18a12d8ac33fb3a3a96c95232cff2f124df15300475cc20486
  • MD5: cd66735e5e540b3ec4f0efe41a66e9d0

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: dc12faa460faab18"
        threat_level = "high"
        first_seen = "2026-06-19"
    condition:
        hash.sha256(0, filesize) == "dc12faa460faab18a12d8ac33fb3a3a96c95232cff2f124df15300475cc20486"
}

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 dc12faa460faab18a12d8ac33fb3a3a96c95232cff2f124df15300475cc20486 # MD5 cd66735e5e540b3ec4f0efe41a66e9d0
TypeValueNote
sha256 dc12faa460faab18a12d8ac33fb3a3a96c95232cff2f124df15300475cc20486
md5 cd66735e5e540b3ec4f0efe41a66e9d0

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
agentteslainfostealermalwarehighsha256analizzenginleştirilmiş