Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1191172163.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1191172163.xls
Resource
win10v200722
General
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Target
document-1191172163.xls
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Size
426KB
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MD5
9ca46d3e6b6b280df767aeb6fbbd740c
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SHA1
826f3f87126bab9c6e81b3182c3226998c971c28
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SHA256
0ee24b96daf3d9d562dc06efd8ca6a887043a34c2cdcbf2d4bf1ef673b5772ec
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SHA512
79054beb57f96c5cc338f7b02128a52ecf3cc6524d6e266b219eda3dd6ef809831f0af714833d189e29b49bf6767e605b7104f2e259fdfaefd6cbbfb3de268e9
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 2992 3908 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 3908 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3908 EXCEL.EXE 3908 EXCEL.EXE 2696 dwwin.exe 2696 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3908 wrote to memory of 2992 3908 EXCEL.EXE 78 PID 3908 wrote to memory of 2992 3908 EXCEL.EXE 78 PID 2992 wrote to memory of 2696 2992 DW20.EXE 79 PID 2992 wrote to memory of 2696 2992 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\document-1191172163.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:3908 -
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 47282⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47283⤵
- Suspicious behavior: EnumeratesProcesses
PID:2696
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