Analysis
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max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2023 19:21
Behavioral task
behavioral1
Sample
635f07941b083edd117f2a18bc3ea6b10bc6a3fddfc76ad066ae3b736b76fe98.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
635f07941b083edd117f2a18bc3ea6b10bc6a3fddfc76ad066ae3b736b76fe98.xls
Resource
win10v2004-20220901-en
General
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Target
635f07941b083edd117f2a18bc3ea6b10bc6a3fddfc76ad066ae3b736b76fe98.xls
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Size
35KB
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MD5
5092cdcd2c79cacca713c5e217c18a9d
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SHA1
079e6db81a82873c39cf90ad4350c7dd87d52756
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SHA256
635f07941b083edd117f2a18bc3ea6b10bc6a3fddfc76ad066ae3b736b76fe98
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SHA512
906c13612750d2f841563a8b78813308911d7c5714e92e0e9a339ab1dc71e4e9508f698a4a89fd9cc7e6315f7caaea6847f65ced3c5a7db3bab5674d42c4685a
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SSDEEP
768:TPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJA5ebA9uSynVWENU:Lok3hbdlylKsgqopeJBWhZFGkE+cL2NR
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.
Processes:
explorer.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3616 5028 explorer.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 5028 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEexplorer.exedescription pid process target process PID 5028 wrote to memory of 3616 5028 EXCEL.EXE explorer.exe PID 5028 wrote to memory of 3616 5028 EXCEL.EXE explorer.exe PID 2172 wrote to memory of 2768 2172 explorer.exe WScript.exe PID 2172 wrote to memory of 2768 2172 explorer.exe WScript.exe
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\635f07941b083edd117f2a18bc3ea6b10bc6a3fddfc76ad066ae3b736b76fe98.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\H9Avlu.vbs2⤵
- Process spawned unexpected child process
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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
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\H9Avlu.vbs"2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Public\Documents\H9Avlu.vbsFilesize
544B
MD56dd35fb717a33823a59666e5f96e64bc
SHA109f53c4bf19b905bef980d3637dd6f0e73845483
SHA256e7c45545794facfd8b32c3b11cfe80bfb1a281cf8033e9bb756e958313801b4f
SHA512de126bde69b8991ded9aac5a6da1def8af9f48de362e62d169e0b1586b17dc5ef8eb171cad15c2d5e34d2fd35a0cd5ba6aeba317f02b1fa8d5d257a0910eba95
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memory/2768-141-0x0000000000000000-mapping.dmp
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memory/3616-139-0x0000000000000000-mapping.dmp
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memory/5028-132-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/5028-133-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/5028-134-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/5028-135-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/5028-136-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/5028-137-0x00007FF9A4260000-0x00007FF9A4270000-memory.dmpFilesize
64KB
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memory/5028-138-0x00007FF9A4260000-0x00007FF9A4270000-memory.dmpFilesize
64KB