Analysis
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max time kernel
124s -
max time network
126s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:29
Behavioral task
behavioral1
Sample
60a053f4f3336981b4e0b923c988e60ecd59747f8e2cb4ddd41c5eac91f1f8c0.xls
Resource
win10-20220812-en
General
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Target
60a053f4f3336981b4e0b923c988e60ecd59747f8e2cb4ddd41c5eac91f1f8c0.xls
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Size
91KB
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MD5
b53e2d10a72479d241844d1da43801d8
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SHA1
ae163ed81faae8e56192b3d762e5adc22dc3dda7
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SHA256
60a053f4f3336981b4e0b923c988e60ecd59747f8e2cb4ddd41c5eac91f1f8c0
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SHA512
229dca701a352b7df98ff61668eb9bcfc0e65678b1654a60fc576b3db3ff022782d539b3615c75557e567f2a75c2e94d762350f893a7523e50d4a9c34b55a329
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SSDEEP
1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO
Malware Config
Extracted
https://bosny.com/aspnet_client/R50QIOGjmvVlr/
http://navylin.com/autopoisonous/4fZQW/
http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/
http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/
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 3932 3268 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3432 3268 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4384 3268 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2132 3268 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 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 3268 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3268 EXCEL.EXE 3268 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE 3268 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3268 wrote to memory of 3932 3268 EXCEL.EXE 68 PID 3268 wrote to memory of 3932 3268 EXCEL.EXE 68 PID 3268 wrote to memory of 3432 3268 EXCEL.EXE 69 PID 3268 wrote to memory of 3432 3268 EXCEL.EXE 69 PID 3268 wrote to memory of 4384 3268 EXCEL.EXE 70 PID 3268 wrote to memory of 4384 3268 EXCEL.EXE 70 PID 3268 wrote to memory of 2132 3268 EXCEL.EXE 71 PID 3268 wrote to memory of 2132 3268 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\60a053f4f3336981b4e0b923c988e60ecd59747f8e2cb4ddd41c5eac91f1f8c0.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:3268 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
PID:3932
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
PID:3432
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4384
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:2132
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