TrojanSpy.Win32.BEBLOH.AA
a variant of Win32/Spy.Bebloh.P trojan (NOD32) ;
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: Yes
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.
It gathers certain information on the affected computer.
It connects to certain websites to send and receive information. It terminates itself if it detects it is being run in a virtual environment.
TECHNICAL DETAILS
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 mutexes to ensure that only one of its copies runs at any one time:
- Global\Uz{derived from computer name}
It injects codes into the following process(es):
- %Windows%\explorer.exe
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
Other System Modifications
This Trojan Spy adds the following registry entries:
HKLM\SOFTWARE\{Random characters}
(Default) = {Hex values}
It deletes the following registry keys:
HKLM\SOFTWARE\{Random characters}
(Will only happen upon shutdown of the affected system)
Information Theft
This Trojan Spy gathers the following information on the affected computer:
- Computer Name
- Keyboard Layout
- Network Information (IP address , socket, ports)
- OS Information(Product ID, InstallDate, Current Version, Product Name)
- Video Bios Version
Other Details
This Trojan Spy adds the following registry keys:
HKLM\SOFTWARE\{Random characters}
It connects to the following URL(s) to check for an Internet connection:
- www.google.com
It connects to the following website to send and receive information:
- {BLOCKED}oc.com/auth/tver={value}&vcmd={value}&cc={value}&hh={value}&ipcnf={value}+&sckport={value}&pros={value}&keret={value};&email=
- {Random Generated Domain}.com
- {Random Generated Domain}.net
It terminates itself if it detects it is being run in a virtual environment.
It does not proceed to its malicious routine if it detects that it is being debugged.
SOLUTION
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.XXPE50FFF030
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
Delete this registry key
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_LOCAL_MACHINE\SOFTWARE\{Random characters}
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_LOCAL_MACHINE\SOFTWARE\{Random characters}
- (Default) = {Hex values}
- (Default) = {Hex values}
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.BEBLOH.AA. 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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