Analysis
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max time kernel
26s -
max time network
149s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1090252115.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1090252115.xls
Resource
win10v200722
General
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Target
document-1090252115.xls
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Size
426KB
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MD5
fdc1bf9e83b909f0eb5afd376c3d788c
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SHA1
ad64905fce34a497ce97e77235b157a10c4d88aa
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SHA256
079b77b432ef5c1353e809c8d581d7a83d4c76b4a027200dc4af30f544cef7d8
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SHA512
8bf215d786107b0ae054f9e149e1ce9f1b9c36c8ae11ef678e9299e616b8b49c9de9b7b4793d6fe6572bf52f6ffd80977316091d163c7ffc251a5197ef10bb4c
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 3448 1468 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 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1468 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1468 EXCEL.EXE 1468 EXCEL.EXE 2824 dwwin.exe 2824 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE 1468 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1468 wrote to memory of 3448 1468 EXCEL.EXE 75 PID 1468 wrote to memory of 3448 1468 EXCEL.EXE 75 PID 3448 wrote to memory of 2824 3448 DW20.EXE 77 PID 3448 wrote to memory of 2824 3448 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-1090252115.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:1468 -
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 44962⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44963⤵
- Suspicious behavior: EnumeratesProcesses
PID:2824
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