Analysis
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max time kernel
135s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16/06/2023, 20:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe
Resource
win10v2004-20230220-en
8 signatures
150 seconds
General
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Target
033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe
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Size
528KB
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MD5
5dfff24976bff09af4222e58f07ab308
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SHA1
c457aa12b71b24b054cc1ceeb382f0f4c0e7accb
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SHA256
033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48
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SHA512
67f291cc22b0496bc427e2af00755edd2fc6696364bb658b0a9dc208813153a4794de184dc3fc44bf533a66a23bf4262c3050255f7599700965b6313d142ab98
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SSDEEP
12288:+NrbyD3wyPjRl6NgGI7SxS2n1jj8X+FxcNZmuU:+YzwyrqgGTdnxy+4Nd
Score
10/10
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3832 created 3172 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 34 -
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4732 3832 WerFault.exe 84 -
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 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 3972 certreq.exe 3972 certreq.exe 3972 certreq.exe 3972 certreq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3832 wrote to memory of 3972 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 85 PID 3832 wrote to memory of 3972 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 85 PID 3832 wrote to memory of 3972 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 85 PID 3832 wrote to memory of 3972 3832 033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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:3172
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C:\Users\Admin\AppData\Local\Temp\033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe"C:\Users\Admin\AppData\Local\Temp\033bebdf818560c4eba4837b7d7f29a25a0e6876dfa958c4c1dcd8b7665e4f48.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 7203⤵
- Program crash
PID:4732
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C:\Windows\system32\certreq.exe"C:\Windows\system32\certreq.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:3972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3832 -ip 38321⤵PID:4960