Analysis
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max time kernel
84s -
max time network
153s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:06
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-554723619.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-554723619.xls
Resource
win10v200722
General
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Target
doc_pack-554723619.xls
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Size
62KB
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MD5
5b1206069d3df7cf5da20fc72d22b348
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SHA1
7d623e47f6a1ef9bb8c38be7a4e0f18daeaa3d9d
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SHA256
4c27226f2c673d56fde83255d8506fcd3dc121ed7c5e717af99f731e71f5dfa2
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SHA512
93f13a68f0a90369bbf5cbc3a821c0b378cd10f4b572fd65a328d0d9bd13d4c6a907869cfd1a75f9385fe9aded449727a9899d09da386ff2788d165f21ba8339
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 3528 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 3684 dwwin.exe 3684 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 3528 1568 EXCEL.EXE 79 PID 1568 wrote to memory of 3528 1568 EXCEL.EXE 79 PID 3528 wrote to memory of 3684 3528 DW20.EXE 80 PID 3528 wrote to memory of 3684 3528 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-554723619.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 47522⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47523⤵
- Suspicious behavior: EnumeratesProcesses
PID:3684
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