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
17-12-2024 23:29
Static task
static1
Behavioral task
behavioral1
Sample
PK241200518-EMAIL RELEASE-pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PK241200518-EMAIL RELEASE-pdf.exe
Resource
win10v2004-20241007-en
General
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Target
PK241200518-EMAIL RELEASE-pdf.exe
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Size
983KB
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MD5
6897b3d43af4aca3376a79d7169746db
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SHA1
fec918d4e90a3697a78931ac4dab8dc6da637afb
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SHA256
23659bb599448db31b14bf56938cae2970929167fa41ad9d7e35cae65c1b4a64
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SHA512
5a7dda8f4340a7b56400da996ed24862bdada176ce228b20f9807babfc870a5b00e4be4521ace0e3032b32c715bba543aef35db92c599879b81c0b9d38dbc582
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SSDEEP
24576:Zu6J33O0c+JY5UZ+XC0kGso6Fa71mhxHTCWY:bu0c++OCvkGs9Fa71m3H1Y
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.wxtp.store - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - 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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 5 checkip.dyndns.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/2364-6-0x0000000001260000-0x0000000001660000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2364 set thread context of 2740 2364 PK241200518-EMAIL RELEASE-pdf.exe 82 -
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 PK241200518-EMAIL RELEASE-pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2740 RegSvcs.exe 2740 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2364 PK241200518-EMAIL RELEASE-pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2740 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2364 PK241200518-EMAIL RELEASE-pdf.exe 2364 PK241200518-EMAIL RELEASE-pdf.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2364 PK241200518-EMAIL RELEASE-pdf.exe 2364 PK241200518-EMAIL RELEASE-pdf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2364 wrote to memory of 2740 2364 PK241200518-EMAIL RELEASE-pdf.exe 82 PID 2364 wrote to memory of 2740 2364 PK241200518-EMAIL RELEASE-pdf.exe 82 PID 2364 wrote to memory of 2740 2364 PK241200518-EMAIL RELEASE-pdf.exe 82 PID 2364 wrote to memory of 2740 2364 PK241200518-EMAIL RELEASE-pdf.exe 82 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PK241200518-EMAIL RELEASE-pdf.exe"C:\Users\Admin\AppData\Local\Temp\PK241200518-EMAIL RELEASE-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:2364 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\PK241200518-EMAIL RELEASE-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:2740
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