Analysis
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max time kernel
101s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02/06/2023, 01:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
cc.exe
Resource
win7-20230220-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cc.exe
Resource
win10v2004-20230220-en
8 signatures
150 seconds
General
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Target
cc.exe
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Size
458KB
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MD5
e2e5cbff2c57dbaa0904a51f566e2b2b
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SHA1
44b37808ef77096333fa17c2f3f43ffac6654240
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SHA256
3631c14838e8ce7e2b40ce5d0b880f6ef984eaf8699e0e478584ba0d1671f6b2
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SHA512
8400260d0508d6595f2d561b87fa7912a7a6eb6c3c7d738715b5b90f29d4352a92c07a68281acfc8439d51a6d6c93cd76720c6c6f412150987ff3220e96517d3
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SSDEEP
12288:MN7prZf+o5PRWpTnfGMmZI0mUMqvtdA/4QrKw:MN7prZf+UPkOM7kMItdAw3w
Score
10/10
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1896 created 684 1896 cc.exe 44 -
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook certreq.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4328 1896 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 1896 cc.exe 1896 cc.exe 1896 cc.exe 1896 cc.exe 2464 certreq.exe 2464 certreq.exe 2464 certreq.exe 2464 certreq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1896 wrote to memory of 2464 1896 cc.exe 88 PID 1896 wrote to memory of 2464 1896 cc.exe 88 PID 1896 wrote to memory of 2464 1896 cc.exe 88 PID 1896 wrote to memory of 2464 1896 cc.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook certreq.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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:684
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C:\Users\Admin\AppData\Local\Temp\cc.exe"C:\Users\Admin\AppData\Local\Temp\cc.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 9763⤵
- Program crash
PID:4328
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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:2464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1896 -ip 18961⤵PID:320