Analysis
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max time kernel
112s -
max time network
133s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:06
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-717104901.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-717104901.xls
Resource
win10v200722
General
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Target
doc_pack-717104901.xls
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Size
62KB
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MD5
4ba76eb297300acb076ef4f1d77e8870
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SHA1
fac478258567f8fa415e1fe2eee7bf758f490e8e
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SHA256
3d0d968e286cbf1e329f799812b85a3d46c0b69bb259a1d4c8cab4157bc5cec0
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SHA512
81310901b432c0c793239cc65519bbf89c8fd7cf3a12ccaf745778c6d1d2b1713b4c77a338af2fc63d7785f5994b453222eb34b45107c14bcc770678cf73532d
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 2712 964 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 964 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 964 EXCEL.EXE 964 EXCEL.EXE 3420 dwwin.exe 3420 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 964 EXCEL.EXE 964 EXCEL.EXE 964 EXCEL.EXE 964 EXCEL.EXE 964 EXCEL.EXE 964 EXCEL.EXE 964 EXCEL.EXE 964 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 964 wrote to memory of 2712 964 EXCEL.EXE 75 PID 964 wrote to memory of 2712 964 EXCEL.EXE 75 PID 2712 wrote to memory of 3420 2712 DW20.EXE 76 PID 2712 wrote to memory of 3420 2712 DW20.EXE 76
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-717104901.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:964 -
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 46562⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46563⤵
- Suspicious behavior: EnumeratesProcesses
PID:3420
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