Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1230329828.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1230329828.xls
Resource
win10
General
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Target
document-1230329828.xls
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Size
426KB
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MD5
1e04585b18558aaf5135080632dfd4ea
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SHA1
fe7f511cc04856515da47a46e2d63d3444a9cb44
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SHA256
9eb9aed19367ef498c22e06b213d6a94636d362b9b248031dfdfe00791586a14
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SHA512
40705c2e6c9304a292af7eb0e4915550f4da0b5769f8395b50dc2f90bccf82cbe90a7b7729eba0485de54c0a9c9ab45baa3e9ef47a88361ee4518f8cd2ebdf66
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 2036 720 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 720 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 720 EXCEL.EXE 720 EXCEL.EXE 1612 dwwin.exe 1612 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 720 wrote to memory of 2036 720 EXCEL.EXE 76 PID 720 wrote to memory of 2036 720 EXCEL.EXE 76 PID 2036 wrote to memory of 1612 2036 DW20.EXE 77 PID 2036 wrote to memory of 1612 2036 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-1230329828.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:720 -
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 44962⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44963⤵
- Suspicious behavior: EnumeratesProcesses
PID:1612
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