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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
14 September, 2024
Last seen

How to analyze Agent Tesla with ANY.RUN

Type
Likely Turkey
Origin
1 January, 2014
First seen
14 September, 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.myhydropowered.com
smtp.godforeu.com
mail.flujoauditorias.cl
mail.shaktiinstrumentations.in
cp8nl.hyperhost.ua
mail.iaa-airferight.com
mail.detarcoopmedical.com
mail.alitextile.com
mail.mahesh-ent.com
mail.apexrnun.com
mail.andalan-pacific.com
smtp.ionos.com
mail.starmech.net
mail.eatrepeatindia.com
mail.mohawatradingco.com
mail.jeanclutchgroup.top
URLs
https://api.telegram.org/bot5731015181:AAEnN7QEEeN_fBCr0YFv_H7lrNpKS_lkspI/sendDocument
https://45.12.253.17/mana/inc/61b46e405d2c1c.php
https://api.telegram.org/bot5612460560:AAHyXkizBwpknHBFsEt3GDIwhLylabAVwjM/
ftp://myogessentials.com/
ftp://ftp.svetigeorgije.co.rs/
http://yousite.com/yourapi.php
ftp://ftp.csepelgumi.hu/
https://api.telegram.org/bot2135733177:AAGBiQMSb9sct4MUL0kpdpB0pPO3n3AKBfA/
https://api.telegram.org/bot1633482536:AAF1JIS_DaayovuRrLGy_POYaI3DRc2CrPY/sendDocument
https://api.telegram.org/bot1887454391:AAEO-M9D-t5rRvqqeYNx5T_JO_S6Zp6FZaI/sendDocument
https://api.telegram.org/bot6041893220:AAF8CZzv8AFxOdWhmChH81__ao3x5_lnfqU/
ftp://ftp.acc-engineering.xyz/
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.corpsa.net/
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
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.

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