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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
d9d565e9b9e237c235020f85d6d4b0cbb4cb50754bba20bd277547eb64bf5d25
a1c70ed91881778f7e0fc6ad5275848145424d452e1053a5a4c5c7ca58fc61fc
7e1e59d1c4b49c0d200dfd5fe76afff0c59f8f96c772eb1a5071f181d4230527
2657b99ff3f06f6f5be3862d879134151bfe87afedfaba13ccb21a3be0516d22
abca870b8e538c08c0b414eaa751106c063dadfc1a936ee4d726e7d56b61aad8
d52275a861a9396629e78edca76c3b3cec55980115feadfd0e93ca9c400bbffa
0da7dff9f04449e5982ea8496f7ba27651a655578ac19e991ad5e397c005b956
2fb48e8a987faea053a9747bf24236e16bbd0ecded674262bbc8769b34895e4c
cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5
d2ae6fc3637dae75aa818c5eaae687af4989cd9b2312d6375a182ac1e3de8fd5
1acf701fe129149fc33c5431899d83aa64fd31ad0b241ed83ea8ab1673eff6db
e3a617bb395f30139a154592955af919b0d1e1473935f11b93da79690a2e8ca6
39421c9db32de75abb5fc036021dbe282a4c2bc9f44011c8a7f4e51441652572
3c70c6b43d985a72df3a28215e4417cf3276f5c46f7b67df16c7250da6ecdf72
afebc44291db59603826cac90112a97e371aa65fdd92c6da15363253e2dac27d
74437fb7e1839a3efbcf1a82397fba04bbfbf46095dd95dbb7a95c39ef55eb2f
29704ef2bf1c2362895634f551823aefe2424a421a2104bbb8e831a0078e81da
e2811e462b73fc7c62941b8472d9989a048509e8e6aed7012bc5f786d0f7bbe7
ac6771207cd89f7964491615495a70a1ccacd639d898c98572faa4cc260fef2b
bd728300ab85708c5027ba39c24c74affb4ffe160fb275e2cc1dc35c14c6e2da
Domains
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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