Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1093469199.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1093469199.xls
Resource
win10v200722
General
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Target
document-1093469199.xls
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Size
426KB
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MD5
e8dcef7b0097419815d6dd6246dced4f
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SHA1
23fb6603be7d058ed100e4353ff2f0ab5b1cb472
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SHA256
6bc6774c4dd3f6e9c8c683e09b1c1b26d6165759cc771a41ca2d38f389e092be
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SHA512
393d66ddb25c3987ce76bdf18adaf0c4e46ea3c3f054b35315de83f9489ac92b02ef2d684be5c1c07c03d74b2845a6b0b821465d2f2409ff25aecaf6f890ae8e
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 3544 512 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 512 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 512 EXCEL.EXE 512 EXCEL.EXE 760 dwwin.exe 760 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 512 EXCEL.EXE 512 EXCEL.EXE 512 EXCEL.EXE 512 EXCEL.EXE 512 EXCEL.EXE 512 EXCEL.EXE 512 EXCEL.EXE 512 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 512 wrote to memory of 3544 512 EXCEL.EXE 74 PID 512 wrote to memory of 3544 512 EXCEL.EXE 74 PID 3544 wrote to memory of 760 3544 DW20.EXE 75 PID 3544 wrote to memory of 760 3544 DW20.EXE 75
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-1093469199.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:512 -
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 44802⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44803⤵
- Suspicious behavior: EnumeratesProcesses
PID:760
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