Analysis
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max time kernel
135s -
max time network
146s -
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 01:13
Static task
static1
Behavioral task
behavioral1
Sample
695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
Resource
win10v2004-20230220-en
General
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Target
695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
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Size
404KB
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MD5
323317d95d40108aa42de6bff8ee8bbd
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SHA1
6e6f135129f9fa143e193970cafadf19ae4cd28d
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SHA256
695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c
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SHA512
3d924aee0c61485de779ce1fca5a4bf8cfd545c7bda40efde631be999b961b2e4f1ec28552846f51c08c4421ddf23993ac8c1fb1b9dbbd94627c1e47cb56fd4a
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SSDEEP
6144:icdgWObGvTv2nH0r4uikBHKznOji/H08GZgtDwsnGRxTxvL:i8gWCG6nH0rxiEHKznhbFwAG
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 804 created 3176 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 29 -
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 220 804 WerFault.exe 82 -
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 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 2744 certreq.exe 2744 certreq.exe 2744 certreq.exe 2744 certreq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 804 wrote to memory of 2744 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 86 PID 804 wrote to memory of 2744 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 86 PID 804 wrote to memory of 2744 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 86 PID 804 wrote to memory of 2744 804 695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe 86 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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:3176
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C:\Users\Admin\AppData\Local\Temp\695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe"C:\Users\Admin\AppData\Local\Temp\695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 7123⤵
- Program crash
PID:220
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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:2744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 804 -ip 8041⤵PID:2972