Analysis
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max time kernel
135s -
max time network
137s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-451390999.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-451390999.xls
Resource
win10v200722
General
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Target
doc_pack-451390999.xls
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Size
62KB
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MD5
3222b3b0122d985e8bff36eb30c75261
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SHA1
db6e3beb54ae555ff987124a882e74e6d7be1338
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SHA256
c4d3001f482d9f5981700f2011b9dda6bace541e80b3000423f4926a38fda2ce
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SHA512
ead6d02ebd50995d1ecc76b6d96efb4888b49152f6f91b0be9c8bbe14a7221d88e8a6e564f469c432b8e1183abc4046e0d606a81dad7a884cf15b686ba15a65b
Malware Config
Signatures
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Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1012 704 DW20.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 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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 704 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 704 EXCEL.EXE 704 EXCEL.EXE 804 dwwin.exe 804 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 704 EXCEL.EXE 704 EXCEL.EXE 704 EXCEL.EXE 704 EXCEL.EXE 704 EXCEL.EXE 704 EXCEL.EXE 704 EXCEL.EXE 704 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 704 wrote to memory of 1012 704 EXCEL.EXE 74 PID 704 wrote to memory of 1012 704 EXCEL.EXE 74 PID 1012 wrote to memory of 804 1012 DW20.EXE 75 PID 1012 wrote to memory of 804 1012 DW20.EXE 75
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\doc_pack-451390999.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:704 -
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 44962⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44963⤵
- Suspicious behavior: EnumeratesProcesses
PID:804
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