TrojanSpy.MSIL.AZORULT.AG
Trojan:MSIL/CryptInject!MTB (MICROSOFT); W32/GenKryptik.DQLV!tr (FORTINET)
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It executes commands from a remote malicious user, effectively compromising the affected system.
TECHNICAL DETAILS
1,267,712 bytes
EXE
Yes
26 Feb 2020
Connects to URLs/IPs, Steals information
Arrival Details
This Trojan Spy 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 Spy drops the following files:
- %Application Data%\Windata\svchosts.exe
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following processes:
- %Windows%\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
It creates the following folders:
- %Application Data%\Windata\
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It injects codes into the following process(es):
- %Windows%\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
Autostart Technique
This Trojan Spy adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
HIDGOD = "%Application Data%\Windata\svchosts.exe"
Backdoor Routine
This Trojan Spy executes the following commands from a remote malicious user:
- Take Screenshots
- Operate Webcam
- Change Desktop Wallpaper
- Operate CD Drive
- Zip/Unzip Files
- Download/Execute/Copy/Upload Files
- Operate Windows
- Operate Mouse
- Execute/Kill Process
- Operate Clipboard
- Operate CMD
- Shutdown/LogOff/Reboot
- Log Keystrokes
- Play Sounds
It connects to the following URL(s) to send and receive commands from a remote malicious user:
- 888myrat.{BLOCKED}s.org:4000
Information Theft
This Trojan Spy gathers the following data:
- Username
- OS Version
- System Architecture
- Screen Resolution
- All Drives
- Running Processes
- CPU Model
- Computer Name
- Time Zone
- Computer Time
- Installed Programs
- Keyboard Layout
- Network Information
- Wlan Profiles
- Firewall Settings
- Browser Cookies, Credentials, Profiles of the following browsers:
- Firefox
- Opera
- Chrome
- FTP Credentials
- Filezilla
- Installed Antivirus
SOLUTION
9.850
15.250.04
26 Feb 2020
15.251.00
27 Feb 2020
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
- TROJ.Win32.TRX.XXPE50FLM009
Step 2
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 3
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 4
Restart in Safe Mode
Step 5
Identify and terminate files detected as TrojanSpy.MSIL.AZORULT.AG
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 6
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\HIDGOD
- %Application Data%\Windata\svchosts.exe
- %Application Data%\Windata\svchosts.exe
Step 7
Search and delete these folders
- %Application Data%\Windata\
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.MSIL.AZORULT.AG. 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 this Knowledge Base page for more information.
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