06/09/2018
12:34

More judgments - 'Lawyer's judgment' malware campaign continues, spreading UrSnif  trojan banker

Fake judicial notification invites us to download a deed that actually contains UrSnif malware in its latest filess-like version
      
 
 

TG Soft's C.R.A.M. (Anti-Malware Research Center) analyzed an  email included in a campaign spreading the malware Trojan Banker Ursnif  sent on  August 23, 2018.

Cyber-criminals developed "Social engineering" methods for fraudulent mass mailings, to induce the victim to open infected attachments or click on links in the body of the message

 If you received a suspicious email, send it to C.R.A.M. (Center for Anti-Malware Research): How to send suspicious emails

              INDEX
 

More judgments - "Lawyer's judgment" malware campaign continues, spreading Ursnif banking trojan

Nome: Trojan.Win32.Ursnif
Famiglia malware: Ursnif
VirIT: Trojan.Win32.Ursnif.IK

Description:
The email was detected on  September 06, 2018

Example of examined email:

Subject:  Relata di notifica decreto N.8593..... Del 15/08/2018

 
 Picture_1
Click to enlarge

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How it spreads:
The malware spreads via e-mail, containing a message about the notification of a judicial document, with subject "Relata di notifica decreto N......  Of dd/mm/yyyyy," in which it invites you to click on the link Atti.

Clicking on the link you will be redirected to the http[:]//www[.]kri8ivmedia[.]com/fmzomb?alq=133829 site. From here the Nuovo documento1.zip file is downloaded, as explained in the previous news. This file contains the Nuovo documento1.vbs file that performs the malware download.
  • File Name : Nuovo documento1.vbs  
  • Size: 37.083 byte
  • Md5: 05939A3969081277AE255989308662AB                                                  

The file Nuovo documento1.vbs will link to http[:]//reviewsvid[.]com/pagiget55[.]php, from where it will download the executable "hDlqQdIkx.exe", which will be run.

  • File Name: hDlqQdIkx.exe  
  • Size:192,270 byte
  • Md5: 08BEE89D1C886B881CBA00931432763F
As explained in the 08/23/2018 news, the hDlqQdIkx.exe executable creates the following registry key:

HKCU\Software\AppDataLow\Software\Microsoft\397FA2FA-441F-D3A1-167D-B8B7AA016CDB 

which contains several subkeys, already listed in the previous news. These subkeys contain malicious code including the apilthlp subkey, recalled every time the pc boots up via the RUN key:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run

[bdeutstr] = cmd.exe /C powershell invoke-expression([System.Text.Encoding]::ASCII.GetString((get-itemproperty 'HKCU:\Software\AppDataLow\Software\Microsoft\397FA2FA-441F-D3A1-167D-B8B7AA016CDB').apilthlp))

The RUN key, via "powershell",  decrypts the apilthlp subkey that contains a script. This script loads the malware and perform the injection through QueueUserAPC.
This type of malware tries to steal PASSWORDS used in various web accounts such as:
  • Home banking;
  • E-mail;
  • Certified mail;
  • Social networks;
  • ecc...;
The same type of e-mail, in the past distributed the GootKit malware, whose analysis by TGSoft's CRAM is available at these addresses:

IOC

MD5:
05939A3969081277AE255989308662AB
08BEE89D1C886B881CBA00931432763F

URL:
http[:]//www[.]kri8ivmedia[.]com/fmzomb?alq=133829
http[:]//reviewsvid[.]com/pagiget55[.]php


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How to identify a fake email
Experience and common sense are the first weapons to avoid these kinds of scams.
Careful reading of the email, in all its elements, is essential. Be wary of ZIP-formatted attachments and, if possible, DO NOT enable automatic macro execution. It is strongly discouraged to set up automatic execution of macros since simply opening Word and Excel files will see the immediate execution of macros without any prior alert.
In case you have been infected by a Banker, the advice from TG Soft's C.R.A.M., is to take appropriate security precautions even after the remediation of the system(s) involved such as changing the most commonly used passwords on the Web. In case the wokstation involved is used for home-banking transactions, an assessment with your credit institution is also recommended.  .  

How to send suspicious emails for analysis as possible virus/malware/ransomware and/or Phishing attempts

Sending materials to the TG Soft's Anti-Malware Research Center for analysis, which is always free of charge, can be done safely in two ways:
  1. Any suspect email can be sent directly by the recipient's e-mail, to the following mail lite@virit.com,choosing as sending mode "Forward as Attachment" and inserting in the subject section "Possible phishing page to verify" rather than "Possible Malware to verify";
  2. Save  the e-mail to be sent to TG Soft's C.R.A.M. for analysis as an external file to the e-mail program used. The resulting file must be sent by uploading it from the page Send Suspicious Files (http://www.tgsoft.it/italy/file_sospetti.asp). Obviously if you want a feedback on the analysis of the data submitted, you have to indicate an e-mail address and a brief description of the reason for the submission (for example: possiible / probable phishing; possible / probable malware or other).
  We give you these suggestions to help avoiding credential theft, viruses/malware or even worse next-generation Ransomware / Crypto-Malware.
 


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For Vir.IT eXplorer PRO users...

For Vir.IT eXplorer PRO owners, it is also possible to contact for free TG Soft's technical phone support.The details can be found on the support page CLIENTSI.
 


C.R.A.M.
TG Soft's Anti-Malware Research Center

 
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