Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2023 06:53
Behavioral task
behavioral1
Sample
0ce8972402221d067ed8cd7c251d0993.xls
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
0ce8972402221d067ed8cd7c251d0993.xls
Resource
win10v2004-20231215-en
General
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Target
0ce8972402221d067ed8cd7c251d0993.xls
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Size
36KB
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MD5
0ce8972402221d067ed8cd7c251d0993
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SHA1
6323ce920cce73f179865eda2af7b320a30c85db
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SHA256
a0d10c04025ada262c2795aa1d381b64557ad59ca818163ba15475aafab12161
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SHA512
abc8197e4b850c7a394e374dc4cac01492c2758060ac82cf55f4cdca83bd0282683aeb75759b28d87ecedc3dc8a9c82636c909284042c47ea807a00dec0b7756
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SSDEEP
768:sPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJXs1eWEHi0VSF4iAb:4ok3hbdlylKsgqopeJBWhZFGkE+cL2NM
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1332 2124 explorer.exe 16 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2124 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2124 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2124 EXCEL.EXE 2124 EXCEL.EXE 2124 EXCEL.EXE 2124 EXCEL.EXE 2124 EXCEL.EXE 2124 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2124 wrote to memory of 1332 2124 EXCEL.EXE 56 PID 2124 wrote to memory of 1332 2124 EXCEL.EXE 56 PID 4188 wrote to memory of 4480 4188 explorer.exe 57 PID 4188 wrote to memory of 4480 4188 explorer.exe 57
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0ce8972402221d067ed8cd7c251d0993.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\Ejre.vbs2⤵
- Process spawned unexpected child process
PID:1332
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4188 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\Ejre.vbs"2⤵PID:4480
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