Analysis
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max time kernel
131s -
max time network
147s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:09
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-603374622.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-603374622.xls
Resource
win10v200722
General
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Target
doc_pack-603374622.xls
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Size
62KB
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MD5
86632d163628107ea970877839d6a80f
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SHA1
4061223ff16c0d92a524aa3cbf07bcd591ff5b6d
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SHA256
d677237fc9366cdacfd7299a89f601e694e7dfa48dcb44612739f28dd9ad85b6
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SHA512
60aff36ec1288f45bcba7066d4ad9f22e477d051f4b6ed455b9574d70c774f073c455c7b4dceb89bb7caab0f592fc07a2a369a5fa292f8094f6d2590d8b36875
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 2272 1468 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 1468 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1468 EXCEL.EXE 1468 EXCEL.EXE 2856 dwwin.exe 2856 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1468 wrote to memory of 2272 1468 EXCEL.EXE 79 PID 1468 wrote to memory of 2272 1468 EXCEL.EXE 79 PID 2272 wrote to memory of 2856 2272 DW20.EXE 80 PID 2272 wrote to memory of 2856 2272 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-603374622.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:1468 -
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:2272 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47243⤵
- Suspicious behavior: EnumeratesProcesses
PID:2856
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