TrojanSpy.Win32.TRICKBOT.TIGOCEZ
Trojan:Win32/Trickbot!MSR(Microsoft); Trojan-Dropper.Win32.Agent.bjzgnr(Kaspersky);
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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 uses Windows Task Scheduler to create a scheduled task that executes the dropped copy.
It attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data. It steals certain information from the system and/or the user.
TECHNICAL DETAILS
516,275 bytes
EXE
Yes
18 Dec 2019
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 adds the following folders:
- %Application Data%\syshealth
- %Application Data%\syshealth\data
- %Application Data%\syshealth\data\injectDll{XX}_configs
- %Application Data%\syshealth\data\networkDll{XX}_configs
- %Application Data%\syshealth\data\pwgrab{XX}_configs
- %Application Data%\syshealth\data\tabDlll{XX}_configs
(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 drops the following copies of itself into the affected system:
- %Application Data%\taskhealth\{malware file name}.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 drops the following files:
- %Application Data%\taskhealth\settings.ini -> Contains encrypted victim key
- Encrypted configuration files for networkDll:
- %Application Data%\taskhealth\networkDll{XX}_configs\dpost
- Encrypted configuration files for injectDll:
- %Application Data%\taskhealth\injectDll{XX}_configs\dinj
- %Application Data%\taskhealth\injectDll{XX}_configs\dpost
- %Application Data%\taskhealth\injectDll{XX}_configs\sinj
- Encrypted configuration files for networkDll:
- %Application Data%\taskhealth\networkDll{XX}_configs\dpost
- Encrypted configuration files for pwgrab:
- %Application Data%\taskhealth\pwgrab{XX}_configs\dpost
- Encrypted configuration files for tablDll:
- %Application Data%\taskhealth\tabDll{XX}_configs\dpost
- Downloaded encrypted modules used to perform different malicious behaviors:
- %Application Data%\taskhealth\importDll{XX}
- %Application Data%\taskhealth\injectDll{XX}
- %Application Data%\taskhealth\mshareDll{XX}
- %Application Data%\taskhealth\mwormDll{XX}
- %Application Data%\taskhealth\networkDll{XX}
- %Application Data%\taskhealth\pwgrab{XX}
- %Application Data%\taskhealth\tabDll{XX}
(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 uses Windows Task Scheduler to create a scheduled task that executes the dropped copy.
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- Global\{17-character Victim ID}
It injects codes into the following process(es):
- svchost.exe
Backdoor Routine
This Trojan Spy connects to the following URL(s) to send and receive commands from a remote malicious user:
- 17{BLOCKED}.136:443
- 19{BLOCKED}.117:443
- 19{BLOCKED}62:443
- 18{BLOCKED}176:443
- 19{BLOCKED}5.127:443
- 19{BLOCKED}.179:443
- 18{BLOCKED}7.190:443
- 19{BLOCKED}.213:443
- 64{BLOCKED}06:443
- 10{BLOCKED}1.159:443
- 85{BLOCKED}.41:443
- 10{BLOCKED}.108:443
- 10{BLOCKED}8.51:443
- 10{BLOCKED}7.221:443
- 19{BLOCKED}.2:449
- 18{BLOCKED}3.186:449
- 18{BLOCKED}4.139:449
- 18{BLOCKED}.146:449
- 18{BLOCKED}7.42:449
- 17{BLOCKED}224:449
- 20{BLOCKED}38:449
- 46{BLOCKED}.36:449
- 36{BLOCKED}03:449
- 18{BLOCKED}4.18:449
- 18{BLOCKED}.23:449
- 13{BLOCKED}3.190:449
- 20{BLOCKED}1.99:449
- 11{BLOCKED}71:449
- 11{BLOCKED}5.75:449
- 12{BLOCKED}.18:449
- 20{BLOCKED}.114:449
- 18{BLOCKED}6.177:449
- 17{BLOCKED}2.238:449
- 18{BLOCKED}.240:449
- 18{BLOCKED}7.202:449
Information Theft
This Trojan Spy attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.
It steals the following information:
- System Information:
- OS Information
- CPU
- Memory
- User Accounts
- Installed Programs
- Installed Services
- Network Information
- IP Configuration
- Domain Information (Users, Settings, Configuration)
- Credentials in the following Applications:
- Microsoft Outlook
- Filezilla
- WinSCP
- TeamViewer
- KeePass
- OpenSSH
- OpenVPN
- Git
- Information regarding Point-Of-Sale (POS) systems in the network, by querying accounts or user name containing the following string:
- *POS*
- *REG*
- *CASH*
- *LANE*
- *STORE*
- *RETAIL*
- *BOH*
- *ALOHA*
- *MICROS*
- *TERM*
- Internet Credentials (Internet Explorer, Microsoft Edge, Google Chrome, Mozilla Firefox):
- Usernames and Passwords
- Internet Cookies
- Browsing History
- Autofills
- HTTP Posts responses
- Private Key Files (.ppk)
- Digital Certificate File (.p12 and .pfx)
- Cryptocurrency wallet files (.dat)
Other Details
This Trojan Spy adds the following scheduled tasks:
- Task Name: Task Health Application
- Task Action: %Application Data%\taskhealth\{malware file name}.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).)
SOLUTION
9.850
15.564.08
17 Dec 2019
15.565.00
18 Dec 2019
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.XXPE50FFF033
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
Deleting Scheduled Tasks
The following {Task Name} - {Task to be run} listed should be used in the steps identified below:
- Task Health Application = "%Application Data%\taskhealth\{malware file name}.exe"
For Windows 2000, Windows XP, and Windows Server 2003:
- Open the Windows Scheduled Tasks. Click Start>Programs>Accessories>
System Tools>Scheduled Tasks. - Locate each {Task Name} values listed above in the Name column.
- Right-click on the said file(s) with the aforementioned value.
- Click on Properties. In the Run field, check for the listed {Task to be run}.
- If the strings match the list above, delete the task.
For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:
- Open the Windows Task Scheduler. To do this:
• On Windows Vista, Windows 7, and Windows Server 2008, click Start, type taskschd.msc in the Search input field, then press Enter.
• On Windows 8, Windows 8.1, and Windows Server 2012, right-click on the lower left corner of the screen, click Run, type taskschd.msc, then press Enter. - In the left panel, click Task Scheduler Library.
- In the upper-middle panel, locate each {Task Name} values listed above in the Name column.
- In the lower-middle panel, click the Actions tab. In the Details column, check for the {Task to be run} string.
- If the said string is found, delete the task.
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.TRICKBOT.TIGOCEZ. 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.
Step 6
Search and delete this folder
- %Application Data%\taskhealth
Step 7
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.TRICKBOT.TIGOCEZ. 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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