Analysis
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max time kernel
18s -
max time network
139s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1350154318.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1350154318.xls
Resource
win10
General
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Target
document-1350154318.xls
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Size
426KB
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MD5
8bed1dce243dd7779893f222adfe5805
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SHA1
8c341fb0eac5680f8cd507aa5cbe85276de1893a
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SHA256
f337de0e0b9b2ccec113f6ebccd0c938c42e8e30ec8984ed54c9c0595e329967
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SHA512
e9604ef8848f95bac1b6cd0311eca0870a53904bb48cc7bbd585e3bd170708c394f71b85558ff72a26b327bb3bf907f1397433e0418e6d1b271e9a3d3d54e309
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 2828 3884 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 3884 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3884 EXCEL.EXE 3884 EXCEL.EXE 180 dwwin.exe 180 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3884 EXCEL.EXE 3884 EXCEL.EXE 3884 EXCEL.EXE 3884 EXCEL.EXE 3884 EXCEL.EXE 3884 EXCEL.EXE 3884 EXCEL.EXE 3884 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3884 wrote to memory of 2828 3884 EXCEL.EXE 76 PID 3884 wrote to memory of 2828 3884 EXCEL.EXE 76 PID 2828 wrote to memory of 180 2828 DW20.EXE 77 PID 2828 wrote to memory of 180 2828 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-1350154318.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:3884 -
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 45602⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 45603⤵
- Suspicious behavior: EnumeratesProcesses
PID:180
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