Analysis
- max time kernel
135s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
28/05/2023, 18:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
09208699.exe
Resource
win7-20230220-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
09208699.exe
Resource
win10v2004-20230220-en
8 signatures
150 seconds
General
- Target 09208699.exe
- Size 491KB
- Sample230528-wla7lsga72
- SHA256 2aaae232c889912fe61abafb3dd36bfa3499d21daaf61d8c839ed53c50ffa388
- MD5 076e8cfedfa31e546087a943e5e7c681
- SHA1 19df36322342a4084ecf28606ad9372eb348fd3c
- SHA512 0f5736f86b2fdf0c0a3ea9dbbd49c7883811a8675a67b6358b25bae9011931a94ad3a92ef89e1787ad50b91c95084a982758fc218371244153c0e0416208e6bf
- SSDEEP 6144:AeoWC4NAyTwOZiaOjhl/xMTU4uaa1XcqhcmK2AD/5/klaT8F6:LoWH9TwOZiLjl9DKL/kg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4260 created 3160 4260 09208699.exe 48 - Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook certreq.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4128 4260 WerFault.exe 83 - 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 4260 09208699.exe 4260 09208699.exe 4260 09208699.exe 4260 09208699.exe 4068 certreq.exe 4068 certreq.exe 4068 certreq.exe 4068 certreq.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4260 wrote to memory of 4068 4260 09208699.exe 86 PID 4260 wrote to memory of 4068 4260 09208699.exe 86 PID 4260 wrote to memory of 4068 4260 09208699.exe 86 PID 4260 wrote to memory of 4068 4260 09208699.exe 86 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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:3160
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C:\Users\Admin\AppData\Local\Temp\09208699.exe"C:\Users\Admin\AppData\Local\Temp\09208699.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 8683⤵
- Program crash
PID:4128
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-
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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:4068
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4260 -ip 42601⤵PID:3580