Analysis
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max time kernel
10s -
max time network
133s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
document-1191725389.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1191725389.xls
Resource
win10
General
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Target
document-1191725389.xls
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Size
426KB
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MD5
36bffd17a3b1b2198cf442c367142b3b
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SHA1
331baae2f63e8d45529a1a3c55d3c2afc3796889
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SHA256
cc1f7fb9789a0f023d07fb7208b05ea7abc973d7d3d339bedfaee35554dfcd5e
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SHA512
936d282ecaccd1be8d895ef1d6ac5f30bc6e908fd05d88724f0cc196db362a28e8e8c7e598a63cd4e40efb63fe2b82510c5df9d23a652afcea132cf340213fb6
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 2980 3692 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 3692 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3692 EXCEL.EXE 3692 EXCEL.EXE 3016 dwwin.exe 3016 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3692 EXCEL.EXE 3692 EXCEL.EXE 3692 EXCEL.EXE 3692 EXCEL.EXE 3692 EXCEL.EXE 3692 EXCEL.EXE 3692 EXCEL.EXE 3692 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3692 wrote to memory of 2980 3692 EXCEL.EXE 77 PID 3692 wrote to memory of 2980 3692 EXCEL.EXE 77 PID 2980 wrote to memory of 3016 2980 DW20.EXE 78 PID 2980 wrote to memory of 3016 2980 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-1191725389.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:3692 -
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 44802⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44803⤵
- Suspicious behavior: EnumeratesProcesses
PID:3016
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