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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
18 June, 2024
Last seen

How to analyze Agent Tesla with ANY.RUN

Type
Likely Turkey
Origin
1 January, 2014
First seen
18 June, 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.coperwire.com
mail.albushrametalic.com
mail.mahesh-ent.com
mail.naubahar.com
mail.groupmt.vn
premium184.web-hosting.com
mail.afanew.cl
smtp.hypos-care.com
smtp.godforeu.com
mail.oserfech.eu
mail.albuspsikoloji.com.tr
mail.inducolma.com.co
mail.laboratoriosvilla.com.mx
mail.suplementvases.com
mail.myhydropowered.com
gator3220.hostgator.com
URLs
ftp://ftp.acc-engineering.xyz/
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
https://api.telegram.org/bot5304537825:AAFt7BhY9MUlq_s5TsQbIJu1GotM2jL0xGU/
https://fiores.cl/mail/obrah/inc/dea039b70b5e63.php
https://www.glamourstorepa.com.br/sus2/inc/f858786f876bb9.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.

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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