Analysis
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max time kernel
140s -
max time network
143s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1087538664.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1087538664.xls
Resource
win10
General
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Target
document-1087538664.xls
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Size
426KB
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MD5
82dea0fbbc732b34d09cf78d963bc782
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SHA1
4cf698290f3c58b017e992bc716a2c5673936c73
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SHA256
baf5c39308058535e24a70103bf78358ff79ea0137b36fba5d1182ef8d60264a
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SHA512
7b11468523af3d1e63778656c79a134f7bde4985b2237aa02823de8e28bea2ad8d8d4d651c9a96d8d8db68ff10ec1a94a05e8baea1b06df4df16f558a49bac30
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 208 3012 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 3012 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3012 EXCEL.EXE 3012 EXCEL.EXE 3720 dwwin.exe 3720 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3012 EXCEL.EXE 3012 EXCEL.EXE 3012 EXCEL.EXE 3012 EXCEL.EXE 3012 EXCEL.EXE 3012 EXCEL.EXE 3012 EXCEL.EXE 3012 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3012 wrote to memory of 208 3012 EXCEL.EXE 76 PID 3012 wrote to memory of 208 3012 EXCEL.EXE 76 PID 208 wrote to memory of 3720 208 DW20.EXE 77 PID 208 wrote to memory of 3720 208 DW20.EXE 77
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\document-1087538664.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:3012 -
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 44682⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44683⤵
- Suspicious behavior: EnumeratesProcesses
PID:3720
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