Analysis
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max time kernel
8s -
max time network
132s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1226090289.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1226090289.xls
Resource
win10
General
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Target
document-1226090289.xls
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Size
426KB
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MD5
f2773241ceb976050d4290520d89abb0
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SHA1
e8c14e7e87370bcdeb580e756cc857b9ccf84c7c
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SHA256
06b75160609b1f12d295be8dd89dcf7a978afb74681ef022ff728fc4ab751f75
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SHA512
57188130be1258c96edbd76d676ccd73a5605e08670d305a541995a914b9f1b9330f26dd0ce2f47cfee81dcad0e3f7bbb7a5b1ccd7514d9fb5db19de5b718197
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 1560 2728 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 2728 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2728 EXCEL.EXE 2728 EXCEL.EXE 1924 dwwin.exe 1924 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2728 EXCEL.EXE 2728 EXCEL.EXE 2728 EXCEL.EXE 2728 EXCEL.EXE 2728 EXCEL.EXE 2728 EXCEL.EXE 2728 EXCEL.EXE 2728 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2728 wrote to memory of 1560 2728 EXCEL.EXE 76 PID 2728 wrote to memory of 1560 2728 EXCEL.EXE 76 PID 1560 wrote to memory of 1924 1560 DW20.EXE 78 PID 1560 wrote to memory of 1924 1560 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-1226090289.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:2728 -
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 44042⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44043⤵
- Suspicious behavior: EnumeratesProcesses
PID:1924
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