Analysis
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max time kernel
121s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/03/2025, 15:41
Static task
static1
Behavioral task
behavioral1
Sample
Num_24-2583_proforma_Invoice_Document_pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Num_24-2583_proforma_Invoice_Document_pdf.exe
Resource
win10v2004-20250313-en
General
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Target
Num_24-2583_proforma_Invoice_Document_pdf.exe
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Size
994KB
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MD5
0d2c8d3b909700b869d842880383d08f
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SHA1
9501835ca85d7479202b98d18b8dc7b765431ab5
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SHA256
12e0b7500435994f25d66b3a1cba2c92735c6dc51c2b9a9e3dbc78c11b3d2ff7
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SHA512
685c002e05b2c6136507d0d1e0dd7792be5c16423817a64a907c368225607710ad1869f3543c24809612460b640199d6764b7855fd82b4a85971dfd77e35ed96
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SSDEEP
24576:Vu6J33O0c+JY5UZ+XC0kGso6Fad+E28lrF5lPWY:3u0c++OCvkGs9Fad+EZrF54Y
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
smtp.ionos.es - Port:
587 - Username:
[email protected] - Password:
m8Mjq7Aypc8nK?ntJMg8Jye4bB6!&K** - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 1740 set thread context of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Num_24-2583_proforma_Invoice_Document_pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2872 RegSvcs.exe 2872 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2872 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1740 wrote to memory of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 PID 1740 wrote to memory of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 PID 1740 wrote to memory of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 PID 1740 wrote to memory of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 PID 1740 wrote to memory of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 PID 1740 wrote to memory of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 PID 1740 wrote to memory of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 PID 1740 wrote to memory of 2872 1740 Num_24-2583_proforma_Invoice_Document_pdf.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Num_24-2583_proforma_Invoice_Document_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Num_24-2583_proforma_Invoice_Document_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Num_24-2583_proforma_Invoice_Document_pdf.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:2872
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