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IOCs

Agent Tesla is spyware that collects information about the actions of its victims by recording keystrokes and user interactions. It is falsely marketed as a legitimate software on the dedicated website where this malware is sold.

Trojan
Type
Likely Turkey
Origin
1 January, 2014
First seen
17 July, 2024
Last seen

How to analyze Agent Tesla with ANY.RUN

Type
Likely Turkey
Origin
1 January, 2014
First seen
17 July, 2024
Last seen

IOCs

IP addresses
162.254.34.31
66.29.151.236
198.23.221.13
76.74.235.200
92.38.178.11
Hashes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250-sas1-26681efc71ef.qloud-c.yandex.net
mail.sbrenind.com
mail.elkat.com.my
elkat.com.my
mail.suplementvases.com
mail.mahesh-ent.com
hyosfa.com
mail.accgirl.com
smtp.godforeu.com
cp8nl.hyperhost.ua
mail.bredband2.com
mail.pgsu.co.id
mail.kxnlaos.com
mail.pishgamsanaat.com
mail.bonnyriggdentalsurgery.com.au
webmail.standardengg-works.com
mail.jeanclutchgroup.top
mail.alitextile.com
mail.apexrnun.com
mail.medicalhome.com.pe
URLs
ftp://ftp.acc-engineering.xyz/
http://yousite.com/yourapi.php
https://activeheat.co.vu/dek/inc/f08405615b33f6.php
https://api.telegram.org/bot5160342877:AAG7aI_cOY3UzpErIEUdfVUJMJszvGYLIiI/sendDocument
https://api.telegram.org/bot6282444605:AAF3ljrvcPGjf3okB7t0o_QzQ88OoHOJ7gw/
ftp://ftp.svetigeorgije.co.rs/
ftp://ftp.corpsa.net/
https://api.telegram.org/bot6041893220:AAF8CZzv8AFxOdWhmChH81__ao3x5_lnfqU/
https://api.telegram.org/bot1611551445:AAFDJ3yQMlB3zXJGib2_TFkq1jedBMj3GTw/sendDocument
ftp://ftp.lemendoza.com/
https://api.telegram.org/bot6236057808:AAEPjUfD2i1Z2Y6D-v4tJe2o-ZsIOYXQJ0Q/
https://api.telegram.org/bot1338829993:AAGkgJ80sLaIYwBfp79Ps5EtdSP1XH6jBV8/sendDocument
https://api.telegram.org/bot5843567515:AAEdtJWwcJKNn64U81CKVdG-li_Ejds8raM/
http://www.texlandbd.com/vvs/inc/c874c1a5333207.php
http://originwealth.ydns.eu/sew/inc/10a5031d37bc79.php
http://pushkinorigin.ydns.eu/wiz/inc/1d7c50187af637.php
https://api.telegram.org/bot5268976687:AAFVn0p7E2gEOnhpsNJOFeUNsuaE1sW24jE/
https://api.telegram.org/bot6568247464:AAHsSOES5pRueRqAlbG1bx5hx02y4of2d_Q/
ftp://ftp.onelovehk.com.ng/
https://www.ronaldsmith.loan//inc/4e7ada8f7b87bc.php
Last Seen at

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What is Agent Tesla malware?

Agent Tesla is a password stealer spyware that has been around since 2014. The malware can be used by attackers to spy on victims, allowing them to see everything that has been typed in supported programs and web-browsers.

Being marketed and sold on its own website, which falsely claims that the program is a legitimate keylogger created for personal use, the Agent Tesla virus has become extremely popular in the hacker community. Not lastly due to its ease of use and tech support, available on the “official” website where this malware is being sold by the attackers, as well as on the dedicated Discord server. Despite claiming the legitimacy of the software, support staff gives advice on utilizing the virus illegally. It is thought that Agent Tesla spyware has originated in Turkey.

General description of Agent Tesla

The spyware is created using .Net software framework. It is aimed at stealing personal data and transmitting it back to the C2 server. The malware is able to access information from web browsers, email clients, and FTP servers.

In addition, Agent Tesla malware can capture screenshots and videos. It can also record clipboard information and form values. The virus was being distributed on agenttesla-dot-com where attackers could purchase it for as little as $15. However, depending on the requested options the package price could easily reach roughly $70.

Uniquely, creators of the malware have set up a sort of an ecosystem around the program, providing 24/7 customer support as well as pre-matched purchase plans that include various options tailored for different budgets and goals. The virus is supplied with a dedicated builder that has a simple-to-use control panel. It allows even a non-technically savvy attacker to pack the payload into a malicious document. What’s more, after 2015 the control panel of Agent Tesla has been expanded with extensive automation functionality, allowing the attacker to automatically capture snapshots or remotely activate the webcam on a victim’s PC in set intervals.

Based on the analysis, the malware comes equipped with multiple persistence mechanisms that help it avoid antivirus detection. As such, it can resume operation automatically after a system reboot. It is also able to turn off Windows processes to stay hidden.

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Malware analysis of Agent Tesla

The interactivity of ANY.RUN service allows tracking activities in real-time and watching Agent Tesla in action in a controlled, safe environment with full real-time access to the sandbox simulation. A video recorded by the ANY.RUN gives us the ability to take a closer look at the lifecycle of this virus. You can also analyze fresh samples and IOCs in our threat intelligence feed in the public submissions.

agent tesla execution process graph Figure 1: A lifecycle graph generated by ANY.RUN

How to avoid infection by Agent Tesla?

Agent Tesla malware is not an easy one to identify. The most robust way to stay safe is to exhibit caution when opening suspicious emails or visiting unknown links. Above all, one must be careful to download attachments in emails from unknown senders and try to identify scams.

Distribution of Agent Tesla

The malware is distributed at large via spam email campaigns like Vidar or IcedID. It is usually delivered to victims in malicious documents, or via malicious web links. Upon visiting such a link, a contaminated document will be automatically downloaded to a victim’s PC.

If opened, the document will trigger the download of the actual virus. The spyware saves itself in the “%temp%” folder and then automatically executes. Email campaigns usually target individuals working in different industries. Topics of malicious emails can be extremely diverse.

Agent Tesla execution process

Agent Tesla keylogger is mostly spread via Microsoft Word documents that contain an embedded executed file or exploit. Once clicked, an executable file is downloaded and renamed. The downloaded file runs itself and creates a child process which in turn can create another child process.

The malware is able to use Regsvcs and Regasm to proxy the code execution through a trusted Windows utility. The research and threat intelligence team can pay attention that in the given example RegSvcs.exe process is stealing personal data.

process tree of the agent tesla execution Figure 2: A process tree of the Agent Tesla execution

Since the main purpose of Agent Tesla RAT is stealing personal information you can identify it by behavioral activities. To do so, try the analysis of the indicators of a malicious process (most often it's an injected "RegAsm.exe"). If there is the indicator "Actions looks like stealing of personal data" in the "Process details" section you probably are dealing with the Agent Tesla trojan. Also, you can identify what information the malware has stolen by clicking on the indicator. You can navigate through by clicking right and left arrows in the appeared window.

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How to get more Agent Tesla data using ANY.RUN?

Often Agenttesla packets encryption is unsuccessful and with ANY.RUN service's "Network Stream" analysts can take a look at what data this malware stole. To do it open the "Connections" tab in the lower part of the task's window and simply click on the connection which sent data. Not unusual that you can find inside this information even the attacker’s SMTP credential.

agent tesla's network stream without encryption Figure 2: Agent Tesla’s Network stream without encryption

Conclusion

According to threat intelligence reports, since its creation, Agent Tesla trojan has been used by over 6,300 customers. Unfortunately, the popularity of the virus is only continuing to rise. The upward trend is of, course, supported by the ease of use which allows even novice attackers to set up attacks.

A company-like service provided by the virus creators also plays a significant role. The danger of Agent Tesla for incident response and threat intelligence teams lies not only in the fact that it can be used by almost anybody but also in its ability to open doors to more destructive viruses. Thankfully, interactive analysis services such as ANY.RUN allows professionals to examine the malware behavior in detail and set up appropriate security responses.

Create your free ANY.RUN account to analyze malware and phishing without limits!

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