Analysis
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max time kernel
144s -
max time network
149s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 23:08
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-684594677.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-684594677.xls
Resource
win10
General
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Target
doc_pack-684594677.xls
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Size
62KB
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MD5
31fa093ff05c17a95978fc89168bd98f
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SHA1
6803ac1f402a14296cec528a609ab7f5deaaaea1
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SHA256
833d52a5496b5e320dec341172f8f022badfb31b18595f6d68bccb4b57c1cacd
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SHA512
9cbe6737294041e35981a7b58935e47c69fe1ad28d2d30a6321bebd2ddbe12c81b1ea690d83f02f4633e68634a175dd927bd619e0925f1729cfc4b75f835a2b3
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 1460 792 DW20.EXE 65 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 792 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 792 EXCEL.EXE 792 EXCEL.EXE 1612 dwwin.exe 1612 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 792 EXCEL.EXE 792 EXCEL.EXE 792 EXCEL.EXE 792 EXCEL.EXE 792 EXCEL.EXE 792 EXCEL.EXE 792 EXCEL.EXE 792 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 792 wrote to memory of 1460 792 EXCEL.EXE 75 PID 792 wrote to memory of 1460 792 EXCEL.EXE 75 PID 1460 wrote to memory of 1612 1460 DW20.EXE 76 PID 1460 wrote to memory of 1612 1460 DW20.EXE 76
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\doc_pack-684594677.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:792 -
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:1460 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44683⤵
- Suspicious behavior: EnumeratesProcesses
PID:1612
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