AgentTesla | Threat Level: high | Type: Infostealer

Cryptographic Identifiers

SHA256998785bfedfcd193cabbeb0ec4db8f48f6b6c11aafe86d60515f35b2159114d0
MD5b6fb5eee0f5ecd68a076565b34823c24
File Typeexe
Size935.5 KB
First Seen2026-06-08
File Name998785bfedfcd193cabbeb0ec4db8f48f6b6c11aafe86d60515f35b2159114d0
TagsAgentTesla, exe

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: 998785bfedfcd193cabbeb0ec4db8f48f6b6c11aafe86d60515f35b2159114d0
  • MD5: b6fb5eee0f5ecd68a076565b34823c24

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: 998785bfedfcd193"
        threat_level = "high"
        first_seen = "2026-06-08"
    condition:
        hash.sha256(0, filesize) == "998785bfedfcd193cabbeb0ec4db8f48f6b6c11aafe86d60515f35b2159114d0"
}

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 998785bfedfcd193cabbeb0ec4db8f48f6b6c11aafe86d60515f35b2159114d0 # MD5 b6fb5eee0f5ecd68a076565b34823c24
TypeValueNote
sha256 998785bfedfcd193cabbeb0ec4db8f48f6b6c11aafe86d60515f35b2159114d0
md5 b6fb5eee0f5ecd68a076565b34823c24

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