Analysis
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max time kernel
149s -
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
17-01-2025 08:47
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
718KB
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MD5
4e4fb45c99a574849a086232116f8bfc
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SHA1
ee52062d05ff64cb7fc57bc647535929cbe856d9
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SHA256
b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77
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SHA512
2ec98860cba067f2a60fe0e9819b390bbec6536ddbf2b06a5a9a65b8a450dba013a763b00f2a850444d92532233ec5c2c825163ea38755830c9303fea3350ef7
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SSDEEP
12288:Aoe7DH/meETdAAHOPaLsegLyjR0SxJxycahXjIC72:g7DQAC0aLoL8RNrycahTt72
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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows UpdateHelper = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Support\\UpdateHelper.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 7 checkip.dyndns.org 10 reallyfreegeoip.org 11 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2180 set thread context of 1908 2180 PO202501F.exe 83 -
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 1908 AddInProcess32.exe 1908 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1908 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2180 wrote to memory of 1908 2180 PO202501F.exe 83 PID 2180 wrote to memory of 1908 2180 PO202501F.exe 83 PID 2180 wrote to memory of 1908 2180 PO202501F.exe 83 PID 2180 wrote to memory of 1908 2180 PO202501F.exe 83 PID 2180 wrote to memory of 1908 2180 PO202501F.exe 83 PID 2180 wrote to memory of 1908 2180 PO202501F.exe 83 PID 2180 wrote to memory of 1908 2180 PO202501F.exe 83 PID 2180 wrote to memory of 1908 2180 PO202501F.exe 83 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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:2180 -
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:1908
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