Analysis
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max time kernel
122s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-12-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe
Resource
win10v2004-20241007-en
General
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Target
2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe
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Size
673KB
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MD5
33eec03b8f5fef48079df422fdd0e351
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SHA1
fcefeb1854e2b2db2ab82338e8fadcc5636190b8
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SHA256
70b4aca3d25ee89ae7511d1a478237b9d5069697e32291e9fba08faf048af0e1
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SHA512
140b19c2b7abc0e14090a7818966ed016eaf1e556574db846f9313bb2496dced09d407d840c5fb1788c0e4222cc3ab695bd11df7a0b3bcc8bf4035fdc8af461b
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SSDEEP
12288:kqWhGbN//QrmOT14HVTu5YxUhQzjakG2fC/WlyP3K6ufcFzfd8eVt6j1Zxxxxxxo:VXdOTiVTu5YxUhYjakG2f5l6puWd8kQX
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7269639819:AAEhAhUQSG9Gc6LkCmuL5O3qAZPTOuQdnsQ/sendMessage?chat_id=1984778786
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2804 Powershell.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2668 set thread context of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2804 Powershell.exe 2808 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 2808 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2804 Powershell.exe Token: SeDebugPrivilege 2808 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2808 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2668 wrote to memory of 2804 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 30 PID 2668 wrote to memory of 2804 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 30 PID 2668 wrote to memory of 2804 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 30 PID 2668 wrote to memory of 2804 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 30 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 PID 2668 wrote to memory of 2808 2668 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2804
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C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-21_33eec03b8f5fef48079df422fdd0e351_hiddentear.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2808
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