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Analysis
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max time kernel
2s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28/12/2023, 08:53
Behavioral task
behavioral1
Sample
d42e08394682c9261515a28aaf5ee0b9.xls
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
d42e08394682c9261515a28aaf5ee0b9.xls
Resource
win10v2004-20231215-en
General
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Target
d42e08394682c9261515a28aaf5ee0b9.xls
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Size
36KB
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MD5
d42e08394682c9261515a28aaf5ee0b9
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SHA1
ae9a73a3d016355d65c696ae956da2a5066d3af7
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SHA256
fd1aeac9f5cf64b6f13c3e3ea6dc45ae6a99cfc302de5aef9216ee53bc7a9a40
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SHA512
dcb332226422c997e49247c802d554be8611de2ba8e9f22d2cfd330282bb17dd987b50fd25b1e9a2ffd4232c09b3209c7e35b0a3b9895fa85e98043b0774434c
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SSDEEP
768:MPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJB4zy0VXoK+Zkpei23do3noH:Yok3hbdlylKsgqopeJBWhZFGkE+cL2N8
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 4540 1188 explorer.exe 14 -
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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1188 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1188 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1188 wrote to memory of 4540 1188 EXCEL.EXE 32 PID 1188 wrote to memory of 4540 1188 EXCEL.EXE 32
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\d42e08394682c9261515a28aaf5ee0b9.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:1188 -
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\XWZc.vbs2⤵
- Process spawned unexpected child process
PID:4540
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵PID:1432
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\XWZc.vbs"2⤵PID:3704
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