Analysis
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max time kernel
77s -
max time network
153s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:22
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-349429591.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-349429591.xls
Resource
win10v200722
General
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Target
doc_pack-349429591.xls
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Size
62KB
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MD5
d11316b9d1ec0d4d78b6ebf1612c9eaa
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SHA1
aaaca955449cc96c500de509d5b21a5f8adfc9df
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SHA256
09e7a8fc94ba06cce5515f41462d458749f4c1b9dba52752a407f1d2b5e755fe
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SHA512
0f2348415809e54b5e7c160b3a557b67629069574d5f2d5fc605d22c3dcf27a86196411f6de93f68fad2ad57bf55960c7b206b8db07d93f15745ffa801f9e60b
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 2840 3816 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 3816 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3816 EXCEL.EXE 3816 EXCEL.EXE 3084 dwwin.exe 3084 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3816 wrote to memory of 2840 3816 EXCEL.EXE 76 PID 3816 wrote to memory of 2840 3816 EXCEL.EXE 76 PID 2840 wrote to memory of 3084 2840 DW20.EXE 77 PID 2840 wrote to memory of 3084 2840 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\doc_pack-349429591.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:3816 -
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 47442⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47443⤵
- Suspicious behavior: EnumeratesProcesses
PID:3084
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