Analysis
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max time kernel
9s -
max time network
132s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
document-1037023553.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1037023553.xls
Resource
win10
General
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Target
document-1037023553.xls
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Size
426KB
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MD5
9b5beadb9c377b508f69c5fdf38102d9
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SHA1
a7067511800ee1161d65eee3318bd41979dffd07
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SHA256
410ae3f12780e6a1a574b28c9cac59e8571970782fb04ee879af351ba14cbb6f
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SHA512
f16ab40a54a29c6ee34a2a2b5444b5f5890c31dc9ffcfbc121dec90297ae4c7a5e3ec1635e4d9fc303c6b374c442cc6cc32eb32b365fbf496d7e98f5cb927798
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 1808 3684 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\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 3684 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3684 EXCEL.EXE 3684 EXCEL.EXE 1856 dwwin.exe 1856 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3684 EXCEL.EXE 3684 EXCEL.EXE 3684 EXCEL.EXE 3684 EXCEL.EXE 3684 EXCEL.EXE 3684 EXCEL.EXE 3684 EXCEL.EXE 3684 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3684 wrote to memory of 1808 3684 EXCEL.EXE 76 PID 3684 wrote to memory of 1808 3684 EXCEL.EXE 76 PID 1808 wrote to memory of 1856 1808 DW20.EXE 77 PID 1808 wrote to memory of 1856 1808 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-1037023553.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:3684 -
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 44042⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44043⤵
- Suspicious behavior: EnumeratesProcesses
PID:1856
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