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Analysis
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max time kernel
128s -
max time network
130s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
03/11/2022, 23:40
Behavioral task
behavioral1
Sample
9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08.xls
Resource
win10-20220812-en
General
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Target
9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08.xls
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Size
217KB
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MD5
4958d0a5264ee15a51664e626d0714d8
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SHA1
abb5172ced836603ced737e93fb6ad050951b5eb
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SHA256
9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08
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SHA512
20b51581af18f3a26d1eb0bfceb3e911b25e2d91a97de4a75d6f3243c7537e89b9f8ff3c0ffd8b238dbfc1ea9bc9c666024b0551983671cd6ea3f17bad5086be
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SSDEEP
6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm7VnT:1bGUMVWlbd
Malware Config
Extracted
http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/
http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/
http://sourcecool.com/throng/iOD/
http://www.stickers-et-deco.com/Adapter/lYw/
Signatures
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Process spawned unexpected child process 4 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 4660 4884 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5064 4884 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3208 4884 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4364 4884 regsvr32.exe 65 -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4884 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4884 EXCEL.EXE 4884 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE 4884 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4884 wrote to memory of 4660 4884 EXCEL.EXE 68 PID 4884 wrote to memory of 4660 4884 EXCEL.EXE 68 PID 4884 wrote to memory of 5064 4884 EXCEL.EXE 69 PID 4884 wrote to memory of 5064 4884 EXCEL.EXE 69 PID 4884 wrote to memory of 3208 4884 EXCEL.EXE 70 PID 4884 wrote to memory of 3208 4884 EXCEL.EXE 70 PID 4884 wrote to memory of 4364 4884 EXCEL.EXE 71 PID 4884 wrote to memory of 4364 4884 EXCEL.EXE 71
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\9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08.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:4884 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx2⤵
- Process spawned unexpected child process
PID:4660
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx2⤵
- Process spawned unexpected child process
PID:5064
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx2⤵
- Process spawned unexpected child process
PID:3208
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx2⤵
- Process spawned unexpected child process
PID:4364
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