Analysis
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max time kernel
82s -
max time network
147s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-391820804.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-391820804.xls
Resource
win10v200722
General
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Target
doc_pack-391820804.xls
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Size
62KB
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MD5
c2b8063cbf8d061cc0ab79136fdd415d
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SHA1
a1a3e59448f92df4ac1aeee2aa1cb570041e1c02
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SHA256
de192aff8b387f063c69f087e691d88e834d36e413c96d478edd31e10f573e3e
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SHA512
b5a31bfba4c4233714fa7eeb0f2f86cadc2da7ebcd9f99699cd4200493308bc63c4b8a042131c3bbab43d6bf467683c3386a9e6e4b1bd00a509148c07943ebbf
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 2252 1568 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 1568 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1568 EXCEL.EXE 1568 EXCEL.EXE 3808 dwwin.exe 3808 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1568 wrote to memory of 2252 1568 EXCEL.EXE 78 PID 1568 wrote to memory of 2252 1568 EXCEL.EXE 78 PID 2252 wrote to memory of 3808 2252 DW20.EXE 79 PID 2252 wrote to memory of 3808 2252 DW20.EXE 79
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-391820804.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:1568 -
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:2252 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44963⤵
- Suspicious behavior: EnumeratesProcesses
PID:3808
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