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15
Global rank
48 infographic chevron month
Month rank
44 infographic chevron week
Week rank
3621
IOCs

AZORult can steal banking information, including passwords and credit card details, as well as cryptocurrency. This constantly updated information stealer malware should not be taken lightly, as it continues to be an active threat.

Stealer
Type
ex-USSR
Origin
1 January, 2016
First seen
11 April, 2024
Last seen
Also known as
PuffStealer
Rultazo

How to analyze Azorult with ANY.RUN

Type
ex-USSR
Origin
1 January, 2016
First seen
11 April, 2024
Last seen

IOCs

IP addresses
217.63.234.90
185.196.10.233
94.156.8.44
141.98.6.72
172.67.152.15
162.240.230.249
23.229.191.64
192.119.110.244
194.147.142.232
31.210.20.167
185.79.156.23
37.0.10.210
172.86.120.238
85.204.74.152
185.79.156.15
185.225.73.49
141.255.144.149
23.227.193.33
66.151.174.10
2.56.59.196
Hashes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jotunheim.name
applereports.ddns.net
masontralacs.ug
platitinas.ac.ug
petronian.ac.ug
marcapinyo.ug
svartalfheim.top
chika1992.xyz
wwwwwwwwwww.co.vu
e4v5sa.xyz
opesjk.ug
vh314957.eurodir.ru
lookoutcraamp.com
mm5132645.xyz
sery.ga
trafficaddicts.ru
checkerrors.ug
ghfdfghj324.ru
perrr01.pro
vh307870.eurodir.ru
URLs
http://opsdjs.ug/ghjkl.exe
http://91.215.85.223/net.exe
http://manulop.ac.ug/index.php
http://partadino.ac.ug/ghjkl.exe
http://partadino.ac.ug/ghjk.exe
http://opesjk.ug/asdfg.exe
http://5gw4d.xyz/PL341/index.php
http://195.245.112.115/index.php
http://gigaload.info/1210776429.php
http://safetygear.pk/ghjk.exe
http://scientific.pk/ghjkl.exe
http://marksidfgs.ug/asdfg.exe
http://91.215.85.223/zxcvb.exe
http://91.215.85.223/ghjk.exe
http://91.215.85.223/asdfg.exe
http://91.215.85.223/ghjkl.exe
http://scientific.pk/ghjk.exe
http://safetygear.pk/net.exe
http://marksidfg.ug/net.exe
http://mistitis.ug/ghjkl.exe
Last Seen at

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What is AZORult malware?

AZORult is an information stealer malware that is targeted at stealing credentials and accounts. Updated multiple times over the years, AZORult continues to be an active concern for the users, stealing information such as banking passwords, credit card details, browser histories, and even cryptocurrency.

AZORult stealer was discovered, analyzed, and documented for the first time on July 26, 2016, by Proofpoint researchers. At the time, the virus was distributed together with another trojan called Chthonic. However, subsequent spam email campaigns started distributing AZORult as the main payload while Hermes and Aurora ransomware were added as additional payloads. A new strain of the stealer Trojan was documented In July 2018. The analysis revealed that it brought several upgrades to the functions of both the stealer and the loader of the virus, additionally allowing to distribute AZORult with the RIG exploit kit. The latest recorded version of the malware is v3.3. This strain was first documented in October 2018. Most notably, this strain updated a way of encrypting the C&C domain string and improved crypto-stealing function.

General description of AZORult malware

A trojan type malware originated in one of the ex-USSR countries. AZORult spyware searches for useful information on the affected computer and sends it to the C2 server to potentially steal the victim’s bank account data. AZORult can steal cookies, browser autofill information, desktop files, chat history, and more.

Interestingly, to get into a machine, the virus, in some cases, requires secondary malware like HawkEye or Seamless. Notably, after every bit of useful data is obtained in campaigns with Hermes and Aurora, user files are encrypted, and a ransom is requested to restore the lost data.

One of the interesting features of AZORult is that after execution, the malware is removed from the system due to the lack of a persistence mechanism.

Malware analysis of AZORult

ANY.RUN displays the execution process of AZORult in an interactive virtual environment. As shown by the sandbox simulation, the virus launches the following process during its execution:

  • Firstly, a Microsoft Office file opened, and WINWORD.EXE with enable macros is executed;
  • The malware runs EQNEDT32.EXE and downloads a malicious executable through the exploitation of the CVE-2017-11882 Microsoft Office Equation Editor vulnerability;
  • A kendriknk8523.exe file is then launched, which after a sleep create child process with same name;
  • A child process then proceeds to steal the personal data and connect to the CnC server.

The execution process of AZORult can be viewed in more detail in the video provided by ANY.RUN sandbox.

azorult execution process tree

Figure 1: Illustrates the life cycle of malware. Process tree generated by ANY.RUN

How to avoid infection by AZORult?

AZORult is distributed mainly using spam email campaigns or via the RIG exploit kit. Notably, a major AZORult distribution campaign was observed on July 18, 2018, targeting North America.

Spam emails that the attackers sent carried largely employment-related subjects and included an infected and password-protected resume file that triggered the download of the virus.

AZORult malware execution process

text report of the azorult malware analysis

Figure 2: A text report generated by ANY.RUN

AZORult stealer uses a clever technique to trick various antivirus engines. Particularly, the version of the stealer Trojan distributed in the July 2018 spam campaign was activated after unlocking a password-protected document. Since a password protected the document that was attached to the email, antiviruses had not been able to scan it and determine whether it was malicious or not. For the virus to become active, the victim had to unlock and enable macros for the document. In this particular campaign, the malware was distributed with two payloads embedded in the main binary. Both payloads were dropped to the disk and executed, with the first executable payload being the information gatherer – AZORult itself and then the secondary ransomware.

It should be noted that in aforecited ANY.RUN simulation AZORult uses an exploit when a Microsoft Office file is opened, allowing to embed several malicious OLE objects into a document and executes arbitrary code on a machine, and even download any file from a remote server and execute it.

How to share your AZORult malware analysis with others?

If you want to share your virus analysis with others, you can create a text report and send it to anyone you want. Just click the "Text report" button. You can save it by using a printer icon in the upper-right corner of the report, or using your browser function by clicking the "Save page as..." or "Print..." buttons. You can also download or share other malware investigations, for example Adwind or Remcos. Note that you can choose that information section in your report you want to print or save into a file using the "Print..." button by clicking in the checkbox "Add for printing" on the right side of the sections. On the illustration below, the second section won't be included in the report.

text report for azorult Figure 3: Text report

Conclusion

AZORult remains to be a hazardous trojan. The stealer Trojan has been upgraded throughout its lifespan and currently poses even more dangers than during the first days of its lifespan. Particularly, most recent versions of AZORult are distributed in bundles with ransomware and can steal cryptocurrency from the victims.

AZORult's distribution in clever email campaigns makes becoming a victim of the stealer Trojan by accident relatively easy. The interactive sandbox analysis provided by services like ANY.RUN is a great way to learn more about the threat and greatly increase cybersecurity.

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