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Analysis
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max time kernel
123s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14/01/2025, 01:27
Static task
static1
Behavioral task
behavioral1
Sample
90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe
Resource
win10v2004-20241007-en
General
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Target
90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe
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Size
1.5MB
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MD5
9514c4132fbe194c4ae5ce0113703f78
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SHA1
3911da4089531677b83e1c5ad690449040c7c324
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SHA256
90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658
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SHA512
3b267ca3a06a8c9e737742bd5fbdea26fb7520a9ebb1c260e873d3d40daf16907c87ca4e8a42784d33fd8fdf322d17078c835a6c2ae13e3cf8cff5fa5b60af98
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SSDEEP
24576:Kln9OjYMsGYCUF3nv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:Kl9u57UF3hjLoyEkmZ9Y14
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/1360-13-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts MSBuild.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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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 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4508 set thread context of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 -
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 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 1360 MSBuild.exe 1360 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe Token: SeDebugPrivilege 1360 MSBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4508 wrote to memory of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 PID 4508 wrote to memory of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 PID 4508 wrote to memory of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 PID 4508 wrote to memory of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 PID 4508 wrote to memory of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 PID 4508 wrote to memory of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 PID 4508 wrote to memory of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 PID 4508 wrote to memory of 1360 4508 90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe 89 -
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 MSBuild.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 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe"C:\Users\Admin\AppData\Local\Temp\90719bd270486dde2f0b8f22924d10907f8d9e10ec7ba8bbc70e7e3dff5e1658.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1360
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