Analysis
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max time kernel
9s -
max time network
131s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 22:23
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-329399382.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-329399382.xls
Resource
win10
General
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Target
doc_pack-329399382.xls
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Size
62KB
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MD5
4f00054a10723ab5c2b3b69f35f59d94
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SHA1
9668b6bb1eac7aabfc85151ee36170f39d06fe53
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SHA256
022e803cbeae111276e173cde65c59d33dde1f22b6423bdaa3db009b3e60b5bd
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SHA512
eb31d7b9c2377e11c9a54c894b610276cf5084840bdd92e4e8d538feac734d57531f2d8f6a99cc90cd751d56e5f7b1872450bda11aeb91349d407df2fbab9b58
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 1772 2212 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 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 2212 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2212 EXCEL.EXE 2212 EXCEL.EXE 2408 dwwin.exe 2408 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2212 wrote to memory of 1772 2212 EXCEL.EXE 76 PID 2212 wrote to memory of 1772 2212 EXCEL.EXE 76 PID 1772 wrote to memory of 2408 1772 DW20.EXE 78 PID 1772 wrote to memory of 2408 1772 DW20.EXE 78
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-329399382.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:2212 -
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 44282⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44283⤵
- Suspicious behavior: EnumeratesProcesses
PID:2408
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