Analysis
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max time kernel
121s -
max time network
136s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1362367240.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1362367240.xls
Resource
win10
General
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Target
document-1362367240.xls
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Size
426KB
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MD5
fcaad06a8639c0ea33c4ba0a8ac19deb
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SHA1
50da7fef54327cf5762d6e7508fa91ebfad2f2da
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SHA256
be096707ad9d5ffe99c18cf264069245b87c9245b3bb6688d7c5ae6ee0220009
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SHA512
7986c9ea2afe02d97bfd5bb8257f40191499db001d938998192b2089ed3f046958917ffaacc5c57af065794bc74e4e9ffc8c02230ec0f32f02acf5b66f81419a
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 2224 3024 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 3024 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3024 EXCEL.EXE 3024 EXCEL.EXE 2744 dwwin.exe 2744 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3024 wrote to memory of 2224 3024 EXCEL.EXE 76 PID 3024 wrote to memory of 2224 3024 EXCEL.EXE 76 PID 2224 wrote to memory of 2744 2224 DW20.EXE 78 PID 2224 wrote to memory of 2744 2224 DW20.EXE 78
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-1362367240.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:3024 -
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 45682⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 45683⤵
- Suspicious behavior: EnumeratesProcesses
PID:2744
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