Analysis
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max time kernel
84s -
max time network
145s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1148958004.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1148958004.xls
Resource
win10v200722
General
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Target
document-1148958004.xls
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Size
426KB
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MD5
82e57655a41920a7c3296d70aeda2f1a
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SHA1
aae74a9e3b56b6477f66b807beefc26c8ec13a9c
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SHA256
a2bfd3099968176c46a2cec6799f558712513789238809e85b90fe9085f83a67
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SHA512
6c49d843edeb4e46a30d09394be6f65de32e3afa83e9f53778a85d71ae340f9289e00a9cc9d5882a8bc0b331cc302325e3d36ec6186cf374407dae1d31c98d06
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 3752 416 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 416 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 416 EXCEL.EXE 416 EXCEL.EXE 3572 dwwin.exe 3572 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 416 EXCEL.EXE 416 EXCEL.EXE 416 EXCEL.EXE 416 EXCEL.EXE 416 EXCEL.EXE 416 EXCEL.EXE 416 EXCEL.EXE 416 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 416 wrote to memory of 3752 416 EXCEL.EXE 78 PID 416 wrote to memory of 3752 416 EXCEL.EXE 78 PID 3752 wrote to memory of 3572 3752 DW20.EXE 79 PID 3752 wrote to memory of 3572 3752 DW20.EXE 79
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-1148958004.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:416 -
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 45882⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3752 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 45883⤵
- Suspicious behavior: EnumeratesProcesses
PID:3572
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