Analysis
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max time kernel
144s -
max time network
145s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:52
Behavioral task
behavioral1
Sample
0b32ee5eaabe0a9e0279c546fd54bd5fa056e0ced1dc82184942682c0d3524d3.xls
Resource
win10-20220901-en
Behavioral task
behavioral2
Sample
0b32ee5eaabe0a9e0279c546fd54bd5fa056e0ced1dc82184942682c0d3524d3.xls
Resource
win10-20220812-en
General
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Target
0b32ee5eaabe0a9e0279c546fd54bd5fa056e0ced1dc82184942682c0d3524d3.xls
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Size
91KB
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MD5
5f7f45be0f2997369666e0ea988e2fb1
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SHA1
b342efc80f6a77075aad297854981b7af2829f28
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SHA256
0b32ee5eaabe0a9e0279c546fd54bd5fa056e0ced1dc82184942682c0d3524d3
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SHA512
0514a61433a9882e1a6d674ab645d4b1191a2b2967e08907e80191b2453d6dae45e0a7d91792614e188edb7cee7ea93397daa6c338a264e778d8c7b6f68a0629
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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 4700 4932 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4732 4932 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4848 4932 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4016 4932 regsvr32.exe 66 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 4932 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE 4932 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4932 wrote to memory of 4700 4932 EXCEL.EXE 69 PID 4932 wrote to memory of 4700 4932 EXCEL.EXE 69 PID 4932 wrote to memory of 4732 4932 EXCEL.EXE 70 PID 4932 wrote to memory of 4732 4932 EXCEL.EXE 70 PID 4932 wrote to memory of 4848 4932 EXCEL.EXE 71 PID 4932 wrote to memory of 4848 4932 EXCEL.EXE 71 PID 4932 wrote to memory of 4016 4932 EXCEL.EXE 72 PID 4932 wrote to memory of 4016 4932 EXCEL.EXE 72
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\0b32ee5eaabe0a9e0279c546fd54bd5fa056e0ced1dc82184942682c0d3524d3.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4700
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4732
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4848
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4016
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