Analysis
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max time kernel
144s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-01-2025 08:57
Static task
static1
Behavioral task
behavioral1
Sample
PO202501F.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PO202501F.exe
Resource
win10v2004-20241007-en
General
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Target
PO202501F.exe
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Size
615KB
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MD5
105efe9e461cf5deb13c1499fdf7c3fd
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SHA1
2e1089312072d6b1d1af28893ad3ea72ca9f0217
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SHA256
222b82fce8836c7ff44f7eac9a0767bf8cd60a14d22d3d70498a2a1c405aa8be
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SHA512
59df551fcb54a8ffb9ca47e3e5c08971a2f5ff35261e598105663dc71698ed1b8957fdc206178ad92737c6f612b3c6dd2f0177551eafca97c552e6aafd2b31a9
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SSDEEP
12288:NveNYtAazWUMaKw/a7PpmmenaKndbJFh31avNUh774:NveNYm/aKw/a7Ppmm+331a1Uh774
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7965348925:AAGe8wdrvk9A3lxr1GIjGigodJ_zZ7prhfs/sendMessage?chat_id=6848903538
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows PrintUtility = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Support\\PrintUtility.exe" PO202501F.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 2376 set thread context of 1788 2376 PO202501F.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1788 AddInProcess32.exe 1788 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1788 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 PID 2376 wrote to memory of 1788 2376 PO202501F.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO202501F.exe"C:\Users\Admin\AppData\Local\Temp\PO202501F.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.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:1788
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