TrojanSpy.Win32.EMOTET.THBABAI
Win32:BankerX-gen [Trj](Avast); Trojan:Win32/Emotet.AC!bit(Microsoft)
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
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.
TECHNICAL DETAILS
457,216 bytes
EXE
Yes
13 Feb 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 drops a copy of itself in the following folders using different file names:
- %System%\{random string}{random string}.exe - if run with admin rights
- %AppDataLocal%\{random string}{random string}\{random string}{random string}.exe - if run without admin rights
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local on Windows Vista, 7, and 8.)
Autostart Technique
This Trojan Spy adds and runs the following services:
- Service Name: {random string}{random string}
Description: Maintains an updated list of computers on the network and supplies this list to computers designated as browsers. If this service is stopped, this list will not be updated or maintained. If this service is disabled, any services that explicitly depend on it will fail to start.
ImagePath: %System%\{random string}{random string}.exe
DisplayName: {random string}{random string}
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
It creates the following registry entries to enable automatic execution of dropped component at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{random string}{random string} = %AppDataLocal%\{random string}{random string}.exe (Note: if run without admin rights)
Other Details
This Trojan Spy connects to the following possibly malicious URL:
- http://{BLOCKED}.{BLOCKED}.164.31:7080/
- http://{BLOCKED}.{BLOCKED}.233.127:443/
- http://{BLOCKED}.{BLOCKED}.36.202:7080/
- http://{BLOCKED}.{BLOCKED}.0.160:8080/
- http://{BLOCKED}.{BLOCKED}.17.206:8080/
- http://{BLOCKED}.{BLOCKED}.100.202:8080/
- http://{BLOCKED}.{BLOCKED}.191.231:8080/
- http://{BLOCKED}.{BLOCKED}.210.108:443/
- http://{BLOCKED}.{BLOCKED}.135.40:443/
- http://{BLOCKED}.{BLOCKED}.153.50/
- http://{BLOCKED}.{BLOCKED}.139.138:8090/
- http://{BLOCKED}.{BLOCKED}.84.35:443/
- http://{BLOCKED}.{BLOCKED}.199.181:8080/
- http://{BLOCKED}.{BLOCKED}.216.247:53/
- http://{BLOCKED}.{BLOCKED}.81.243/
- http://{BLOCKED}.{BLOCKED}.58.47:443/
- http://{BLOCKED}.{BLOCKED}.87.18:443/
- http://{BLOCKED}.{BLOCKED}.195.97:443/
- http://{BLOCKED}.{BLOCKED}.219.98/
- http://{BLOCKED}.{BLOCKED}.111.19:443/
- http://{BLOCKED}.{BLOCKED}.17.7:8080/
- http://{BLOCKED}.{BLOCKED}.187.192:8080/
- http://{BLOCKED}.{BLOCKED}.175.91:7080/
- http://{BLOCKED}.{BLOCKED}.58.13/
- http://{BLOCKED}.{BLOCKED}.243.43:8080/
- http://{BLOCKED}.{BLOCKED}.223.154:7080/
- http://{BLOCKED}.{BLOCKED}.44.240:8090/
- http://{BLOCKED}.{BLOCKED}.208.27:443/
- http://{BLOCKED}.{BLOCKED}.3.54:443/
- http://{BLOCKED}.{BLOCKED}.129.30:443/
- http://{BLOCKED}.{BLOCKED}.147.179:8080/
- http://{BLOCKED}.{BLOCKED}.5.242:8080/
- http://{BLOCKED}.{BLOCKED}.143.75:7080/
- http://{BLOCKED}.{BLOCKED}.83.146/
- http://{BLOCKED}.{BLOCKED}.31.162:8080/
- http://{BLOCKED}.{BLOCKED}.196.209:8080/
- http://{BLOCKED}.{BLOCKED}.68.123/
- http://{BLOCKED}.{BLOCKED}.149.117:443/
- http://{BLOCKED}.{BLOCKED}.246.130:7080/
- http://{BLOCKED}.{BLOCKED}.68.21:995/
- http://{BLOCKED}.{BLOCKED}.69.193/
- http://{BLOCKED}.{BLOCKED}.37.188:443/
- http://{BLOCKED}.{BLOCKED}.23.252:443/
- http://{BLOCKED}.{BLOCKED}.13.124:7080/
- http://{BLOCKED}.{BLOCKED}.106.160:7080/
- http://{BLOCKED}.{BLOCKED}.210.108:443/
- http://{BLOCKED}.{BLOCKED}.28.126:8080/
- http://{BLOCKED}.{BLOCKED}.87.227:443/
- http://{BLOCKED}.{BLOCKED}.36.129:8080/
- http://{BLOCKED}.{BLOCKED}.124.62:8080/
- http://{BLOCKED}.{BLOCKED}.200.114:8080/
- http://{BLOCKED}.{BLOCKED}.208.50/
- http://{BLOCKED}.{BLOCKED}.171.26/
- http://{BLOCKED}.{BLOCKED}.216.125:53/
- http://{BLOCKED}.{BLOCKED}.6.2:8080/
- http://{BLOCKED}.{BLOCKED}.108.93/
- www7017uj.sakura.{BLOCKED}e.jp:7080
SOLUTION
9.850
14.808.05
12 Feb 2019
14.809.00
13 Feb 2019
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 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
Restart in Safe Mode
Step 4
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
- {random string}{random string} = "%AppDataLocal%\{random string}{random string}\{random string}{random string}.exe"
- {random string}{random string} = "%AppDataLocal%\{random string}{random string}\{random string}{random string}.exe"
Step 5
Disable this malware service
- Service Name: {random string}{random string}
- ImagePath: %System%\{random string}{random string}.exe
- DisplayName: {random string}{random string}
Step 6
Search and delete these files
- %System%\{random string}{random string}.exe
- %AppDataLocal%\{random string}{random string}\{random string}{random string}.exe
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.EMOTET.THBABAI. 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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