Analysis
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max time kernel
118s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
06-01-2025 15:56
Static task
static1
Behavioral task
behavioral1
Sample
PO#17971.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
PO#17971.exe
Resource
win10v2004-20241007-en
General
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Target
PO#17971.exe
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Size
808KB
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MD5
a8a2543b3b684c7668e2ea7f0fda818b
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SHA1
95f1ef47f4fddae43d5f2923be0498ac20d39ed7
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SHA256
1a096b05c22c2f1fe36e1a03e28b49129d1d5812c5b974c929b2213c8dc8896b
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SHA512
e47b2426d4359e43d32bfbe87fddcab42d80becc73c117f2b09ce59169ebd641eea13491fcf9b9ce0cfc19e8e7377c96bf925e034680d4dac1257b8a2b285048
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SSDEEP
12288:YUoV+I4MVKW3U5Hn4GMtYvvjUNn9KKXLgvaGG5IeiSl3vu/SJuJ:ERgQU5H4Dt6UNn9KKYve3m/SY
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
wVCMFq@2wVCMFq@2
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
wVCMFq@2wVCMFq@2 - Email To:
[email protected]
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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2724 powershell.exe 2768 powershell.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2776 set thread context of 2616 2776 PO#17971.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO#17971.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2060 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2776 PO#17971.exe 2768 powershell.exe 2724 powershell.exe 2776 PO#17971.exe 2616 MSBuild.exe 2616 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2776 PO#17971.exe Token: SeDebugPrivilege 2768 powershell.exe Token: SeDebugPrivilege 2724 powershell.exe Token: SeDebugPrivilege 2616 MSBuild.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2776 wrote to memory of 2724 2776 PO#17971.exe 30 PID 2776 wrote to memory of 2724 2776 PO#17971.exe 30 PID 2776 wrote to memory of 2724 2776 PO#17971.exe 30 PID 2776 wrote to memory of 2724 2776 PO#17971.exe 30 PID 2776 wrote to memory of 2768 2776 PO#17971.exe 32 PID 2776 wrote to memory of 2768 2776 PO#17971.exe 32 PID 2776 wrote to memory of 2768 2776 PO#17971.exe 32 PID 2776 wrote to memory of 2768 2776 PO#17971.exe 32 PID 2776 wrote to memory of 2060 2776 PO#17971.exe 34 PID 2776 wrote to memory of 2060 2776 PO#17971.exe 34 PID 2776 wrote to memory of 2060 2776 PO#17971.exe 34 PID 2776 wrote to memory of 2060 2776 PO#17971.exe 34 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 PID 2776 wrote to memory of 2616 2776 PO#17971.exe 36 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#17971.exe"C:\Users\Admin\AppData\Local\Temp\PO#17971.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO#17971.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uApFVLY.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2768
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uApFVLY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp71C6.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2060
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2616
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD53b06b96a471db50a9ba17c4736a621db
SHA1d2d7ef1e4dee098013bffb5f46ef64cbac4fe306
SHA256467b1aeeb4c75c5349767e115ea827131af5be08f0b23840aaeffa81fbae56fd
SHA51230326a803fe34bb35529fbf7a66b140659d39c65902737c73d6a50dbdd6d229222462ba18b0ad7744d49122f207131be5c3d44c21c8ad88d26947b0ce268d292
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5dbaf3c03ebbe5c8bb3c8288d90daecfb
SHA1085fc206de9bb6bb5687815ed71c23d955b270b0
SHA25617806d6d06a3fa533985ad2e10ced07b3be93449d765291e9cc6c00f3a0d6c1e
SHA51290c4fbd99527938eed43f12d9913fbca0245f437e11a2661139edbb008e1861151ca8c8d64d2bf191fdd58e510b24b01bb43fc79dfa8f855c7164b6ae9c9a57d