Analysis
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max time kernel
83s -
max time network
154s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:12
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-613595060.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-613595060.xls
Resource
win10v200722
General
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Target
doc_pack-613595060.xls
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Size
62KB
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MD5
8ca25f7205b6c68b9cd1caa7806beb85
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SHA1
39475ba5af5431fc599e550be9e028d660251ef0
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SHA256
e7e2ce4f6e53471a6fac5efd7226ef5c21b24859955a6d1f9eb0a630a1325e17
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SHA512
0d2a354b984d9877f6aeb289d97c0023bc2130ba761d4d4912b798bd7bb055ad4164cf3af00c1eb6651d6bb9170e39fbbbeca4658a40f61db8f2f3ba806da86b
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 3176 2080 DW20.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 2080 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2080 EXCEL.EXE 2080 EXCEL.EXE 3672 dwwin.exe 3672 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2080 EXCEL.EXE 2080 EXCEL.EXE 2080 EXCEL.EXE 2080 EXCEL.EXE 2080 EXCEL.EXE 2080 EXCEL.EXE 2080 EXCEL.EXE 2080 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2080 wrote to memory of 3176 2080 EXCEL.EXE 79 PID 2080 wrote to memory of 3176 2080 EXCEL.EXE 79 PID 3176 wrote to memory of 3672 3176 DW20.EXE 80 PID 3176 wrote to memory of 3672 3176 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-613595060.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:2080 -
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 47242⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3176 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47243⤵
- Suspicious behavior: EnumeratesProcesses
PID:3672
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