Analysis
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max time kernel
123s -
max time network
149s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1148497473.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1148497473.xls
Resource
win10
General
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Target
document-1148497473.xls
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Size
426KB
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MD5
6a6be1a05d629b2f0f3a5d137de003d4
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SHA1
c13546c34c837c28fc1b052fd5bb66f150e25105
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SHA256
b6cc8e1828efcefc36ef70499438271ab5f61c8de1663e1e2554dde2aa17b552
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SHA512
84faa5ba047499161c63dd6351303d4ee4145f3e6994c5da276a2423c48b0ec434f2f95cdb9d7312b003034c158eea89500f7419615b0f4ccf83733d334b8a6d
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 2204 3404 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 3404 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3404 EXCEL.EXE 3404 EXCEL.EXE 2628 dwwin.exe 2628 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3404 wrote to memory of 2204 3404 EXCEL.EXE 76 PID 3404 wrote to memory of 2204 3404 EXCEL.EXE 76 PID 2204 wrote to memory of 2628 2204 DW20.EXE 77 PID 2204 wrote to memory of 2628 2204 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-1148497473.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:3404 -
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 44682⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44683⤵
- Suspicious behavior: EnumeratesProcesses
PID:2628
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