Analysis
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max time kernel
121s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
19-11-2024 18:10
Static task
static1
Behavioral task
behavioral1
Sample
comprobantesdepago.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
comprobantesdepago.exe
Resource
win10v2004-20241007-en
General
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Target
comprobantesdepago.exe
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Size
77.0MB
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MD5
08a6ef433d71fa3d8c12a49c90536e07
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SHA1
36fb6637e9ca8086c55d9cf919bdd2dae3eb378d
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SHA256
f6bc77a19dc8441e0c2a35dc81b89ac19c618acb4d45fa32754110ed30c61a79
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SHA512
97f3914af07cc480f475bf38c06790dc015954da9d8d86cfbe4ccbe18e641a85eb4d4a9ebb60420be298c6790bd3592586c087e18b55bf8e4cea816e966a56b4
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SSDEEP
24576:utb20pkaCqT5TBWgNQ7aGnuRUc1g0Zo/h/G86A:bVg5tQ7aGnuRA06h/35
Malware Config
Extracted
vipkeylogger
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
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.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.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
comprobantesdepago.exedescription pid process target process PID 2972 set thread context of 2632 2972 comprobantesdepago.exe svchost.exe -
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.
Processes:
comprobantesdepago.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language comprobantesdepago.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
svchost.exepid process 2632 svchost.exe 2632 svchost.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
comprobantesdepago.exepid process 2972 comprobantesdepago.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
svchost.exedescription pid process Token: SeDebugPrivilege 2632 svchost.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
comprobantesdepago.exepid process 2972 comprobantesdepago.exe 2972 comprobantesdepago.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
comprobantesdepago.exepid process 2972 comprobantesdepago.exe 2972 comprobantesdepago.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
comprobantesdepago.exedescription pid process target process PID 2972 wrote to memory of 2632 2972 comprobantesdepago.exe svchost.exe PID 2972 wrote to memory of 2632 2972 comprobantesdepago.exe svchost.exe PID 2972 wrote to memory of 2632 2972 comprobantesdepago.exe svchost.exe PID 2972 wrote to memory of 2632 2972 comprobantesdepago.exe svchost.exe PID 2972 wrote to memory of 2632 2972 comprobantesdepago.exe svchost.exe -
outlook_office_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe -
outlook_win_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\comprobantesdepago.exe"C:\Users\Admin\AppData\Local\Temp\comprobantesdepago.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:2972 -
C:\Windows\SysWOW64\svchost.exe"C:\Users\Admin\AppData\Local\Temp\comprobantesdepago.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:2632
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