AgentTesla | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA256c34d450925e87b99990ceaa3e7d6f1f02c846dd981f4d7fb8b9331ec89fa4fdd
MD5e104213949c1fb19467c6d59d0c9fc14
File Typejs
Size1389.5 KB
First Seen2026-04-15
File NameHT02528_8w77.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: c34d450925e87b99990ceaa3e7d6f1f02c846dd981f4d7fb8b9331ec89fa4fdd
  • MD5: e104213949c1fb19467c6d59d0c9fc14

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: c34d450925e87b99"
        threat_level = "high"
        first_seen = "2026-04-15"
    condition:
        hash.sha256(0, filesize) == "c34d450925e87b99990ceaa3e7d6f1f02c846dd981f4d7fb8b9331ec89fa4fdd"
}

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 c34d450925e87b99990ceaa3e7d6f1f02c846dd981f4d7fb8b9331ec89fa4fdd # MD5 e104213949c1fb19467c6d59d0c9fc14
TypeValueNote
sha256 c34d450925e87b99990ceaa3e7d6f1f02c846dd981f4d7fb8b9331ec89fa4fdd Sample:AgentTesla
md5 e104213949c1fb19467c6d59d0c9fc14 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