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Analysis
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max time kernel
117s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
31/01/2023, 17:35
Behavioral task
behavioral1
Sample
e8230e9f357de09cebe21a2374029076.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
e8230e9f357de09cebe21a2374029076.xls
Resource
win10v2004-20220812-en
General
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Target
e8230e9f357de09cebe21a2374029076.xls
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Size
100KB
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MD5
e8230e9f357de09cebe21a2374029076
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SHA1
ab51b825c0a2e7bc5f399eeb25968b4408313210
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SHA256
dccb00fb16525d84c54c4365c9db769d0eff6d384c48d8f7763b18d87d89c760
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SHA512
15d24d3bca2d60cc9eb8e23a860a49870ddb1826b94f6348bd135ad760de3b265fbfde92eaf96da47fa4dc17d40705c8da3479860c1e9785d892b43503db5d77
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SSDEEP
1536:W4HPa4Rz/Sbj13z/vHfQseqZyC239kWk2jcc0lbxOrqop/WwF1blKDK3NAoKacyT:wyC23U2jcc0lbxOGmBKDoAoKxyT
Malware Config
Signatures
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Process spawned unexpected child process 3 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 4308 5084 cmd.exe 78 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4940 5084 cmd.exe 78 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 368 5084 cmd.exe 78 -
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 5084 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE 5084 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5084 wrote to memory of 4308 5084 EXCEL.EXE 88 PID 5084 wrote to memory of 4308 5084 EXCEL.EXE 88 PID 5084 wrote to memory of 4940 5084 EXCEL.EXE 90 PID 5084 wrote to memory of 4940 5084 EXCEL.EXE 90 PID 5084 wrote to memory of 368 5084 EXCEL.EXE 91 PID 5084 wrote to memory of 368 5084 EXCEL.EXE 91 PID 4308 wrote to memory of 3512 4308 cmd.exe 94 PID 4308 wrote to memory of 3512 4308 cmd.exe 94 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 3512 attrib.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\e8230e9f357de09cebe21a2374029076.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
PID:3512
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
PID:4940
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
PID:368
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