Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2024 05:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe
Resource
win10v2004-20241007-en
General
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Target
2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe
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Size
673KB
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MD5
d4539ea8b3689c0ac5a29bab586e6e5e
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SHA1
58ec88f92ca5aa9d831a3ebc44de2c7342ecd695
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SHA256
44a782c64fd57204e1c120a41ff620c28695edd03890c4e615503c044079720a
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SHA512
682143a973b491353de78f9df22f4ee342332547041c52602f3c5c77cfba840d4842a9b4780aef6c3f08541a35b65158f4b128303d71527e4578c015f8ca1d12
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SSDEEP
12288:HTYZll4HvBGpLkYYiUBfei3+/CKxaQ4o7YW+IMHeke6zp7Su8dAA:HTvPBGBZYbfRObieke6zpkA
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 2336 Powershell.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\news.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\news.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_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 15 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 780 set thread context of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 -
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 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2336 Powershell.exe 2424 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 2336 Powershell.exe 2424 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2424 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2336 Powershell.exe Token: SeDebugPrivilege 2424 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 780 wrote to memory of 2336 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 85 PID 780 wrote to memory of 2336 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 85 PID 780 wrote to memory of 2336 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 85 PID 780 wrote to memory of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 PID 780 wrote to memory of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 PID 780 wrote to memory of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 PID 780 wrote to memory of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 PID 780 wrote to memory of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 PID 780 wrote to memory of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 PID 780 wrote to memory of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 PID 780 wrote to memory of 2424 780 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe 87 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\news.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2336
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C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2424
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82