Analysis
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max time kernel
17s -
max time network
140s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1346735711.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1346735711.xls
Resource
win10
General
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Target
document-1346735711.xls
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Size
426KB
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MD5
aa5af75fe17259c11679eae1524fba70
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SHA1
4b57ce9e895987ab270768efeec1bad4cb48d17f
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SHA256
25ffed87c36a5e25d0685db9bb82346c56c0bf3c0d788bfade993d4eff3fe8ba
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SHA512
1d76a9ddafb68ac15007fcfaf6b65d9766ba2987eb9fddac15ac2241c785d5411da4eacc8014c0991ec3e15a43893c14b10238473a477d5eac72c5e336b9d122
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 2848 3952 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 3952 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3952 EXCEL.EXE 3952 EXCEL.EXE 200 dwwin.exe 200 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE 3952 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3952 wrote to memory of 2848 3952 EXCEL.EXE 77 PID 3952 wrote to memory of 2848 3952 EXCEL.EXE 77 PID 2848 wrote to memory of 200 2848 DW20.EXE 78 PID 2848 wrote to memory of 200 2848 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-1346735711.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:3952 -
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 44842⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44843⤵
- Suspicious behavior: EnumeratesProcesses
PID:200
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