Analysis
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max time kernel
77s -
max time network
147s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-437418399.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-437418399.xls
Resource
win10v200722
General
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Target
doc_pack-437418399.xls
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Size
62KB
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MD5
16026b2c8892d64f1cf81c9d9beb9d98
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SHA1
711f14fee9e4e263ec421ae0271e6e2d81ca2a03
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SHA256
cdf180529dd6c68e53a6c097a420c893d81c82e0380f97afe8695e51365b242a
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SHA512
87a5629e6190a189e10540a4226558af7144ad567138466ddfbbdfb300e733978ea59ac6c550261b3743626b739744df05ea90304790e94694aa0fdc0563ec35
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 2808 3952 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 3952 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3952 EXCEL.EXE 3952 EXCEL.EXE 3704 dwwin.exe 3704 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3952 wrote to memory of 2808 3952 EXCEL.EXE 79 PID 3952 wrote to memory of 2808 3952 EXCEL.EXE 79 PID 2808 wrote to memory of 3704 2808 DW20.EXE 80 PID 2808 wrote to memory of 3704 2808 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-437418399.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:3952 -
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 46882⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46883⤵
- Suspicious behavior: EnumeratesProcesses
PID:3704
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