Analysis
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max time kernel
43s -
max time network
40s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
12-06-2023 23:34
Static task
static1
Behavioral task
behavioral1
Sample
a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe
Resource
win10v2004-20230220-en
General
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Target
a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe
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Size
492KB
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MD5
8970dda6d085a3e2e44d0322f914965c
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SHA1
7fdefeac53a55700a2f107e5ed65fab9388f91cb
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SHA256
a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168
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SHA512
cdbe82dea9edad22a2fe88e4517191d5198977c8e55226def38acd4d8ecd146faef1f5d87e97e2726f81f7ee32802a46332133ff8a6047724af2a65f9b3897bb
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SSDEEP
6144:LmP/YyA1RwP57sjFgOgzDxrWuvq1x0jJx6OKU2mFvIsMm2EkQDZGINQfHFWDj:yXY657FxzDxhC1xIOFm2EkQdGey2
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2028 created 1212 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 9 -
Deletes itself 1 IoCs
pid Process 1148 certreq.exe -
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook certreq.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 certreq.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString certreq.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 1148 certreq.exe 1148 certreq.exe 1148 certreq.exe 1148 certreq.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2028 wrote to memory of 1148 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 29 PID 2028 wrote to memory of 1148 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 29 PID 2028 wrote to memory of 1148 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 29 PID 2028 wrote to memory of 1148 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 29 PID 2028 wrote to memory of 1148 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 29 PID 2028 wrote to memory of 1148 2028 a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1212
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C:\Users\Admin\AppData\Local\Temp\a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe"C:\Users\Admin\AppData\Local\Temp\a0529bb77c75438120f1ca4dc8550ff505b1374008df4d63736fb9627ae08168.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2028
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C:\Windows\system32\certreq.exe"C:\Windows\system32\certreq.exe"2⤵
- Deletes itself
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:1148
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