Analysis
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max time kernel
10s -
max time network
128s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
document-1147924850.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1147924850.xls
Resource
win10
General
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Target
document-1147924850.xls
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Size
426KB
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MD5
4a7f03d58f23b7bace56a87566bd9bf9
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SHA1
5f25ceb953e5f73b0a6589754136132c8efb07e1
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SHA256
b470fe317ed9c0abccb2bd02be0d24eb6b52686b4cbf5ca95ba8e69a80ca5d87
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SHA512
570ba23df68c7d8a8e5232b2032b0f0bc1cfdf85c992b5d9ece6b860a8ef4ba663b3219751bcf9fd59c29119d61bc41ec8e937957c37577935b151377a969056
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 3892 4012 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 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 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 4012 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4012 EXCEL.EXE 4012 EXCEL.EXE 3512 dwwin.exe 3512 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4012 EXCEL.EXE 4012 EXCEL.EXE 4012 EXCEL.EXE 4012 EXCEL.EXE 4012 EXCEL.EXE 4012 EXCEL.EXE 4012 EXCEL.EXE 4012 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4012 wrote to memory of 3892 4012 EXCEL.EXE 77 PID 4012 wrote to memory of 3892 4012 EXCEL.EXE 77 PID 3892 wrote to memory of 3512 3892 DW20.EXE 78 PID 3892 wrote to memory of 3512 3892 DW20.EXE 78
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-1147924850.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:4012 -
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 44082⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44083⤵
- Suspicious behavior: EnumeratesProcesses
PID:3512
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