Analysis
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max time kernel
77s -
max time network
147s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:23
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-33810586.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-33810586.xls
Resource
win10v200722
General
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Target
doc_pack-33810586.xls
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Size
62KB
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MD5
d26aac2da8f7d8ce4f762a70f576fe17
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SHA1
d11702d73506d97d67f683f1da2184cddd575120
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SHA256
7c0a8a06a1eafe72ff3de4a7c7ee8dbb50e0a10aa4f0e4fc5a7f265c0946bb1c
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SHA512
6d741b7a71dedfc9460578ac3bf1d02ca6a9e3883a40659fe11ffae99f2c51ac2f1f5e09fe84ac65ff050c4b4a1c282252a09f19cebba1f272a3fcfbeae3dbd7
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 788 580 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 580 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 580 EXCEL.EXE 580 EXCEL.EXE 3568 dwwin.exe 3568 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 580 wrote to memory of 788 580 EXCEL.EXE 78 PID 580 wrote to memory of 788 580 EXCEL.EXE 78 PID 788 wrote to memory of 3568 788 DW20.EXE 80 PID 788 wrote to memory of 3568 788 DW20.EXE 80
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-33810586.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:580 -
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 47362⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:788 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47363⤵
- Suspicious behavior: EnumeratesProcesses
PID:3568
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