Analysis
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max time kernel
105s -
max time network
152s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1079580695.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1079580695.xls
Resource
win10
General
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Target
document-1079580695.xls
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Size
426KB
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MD5
08a6d9838545744eb250046c76ed8fd1
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SHA1
78d24fa0a7cd2b98fa2e68f879b64e3fc36a3c11
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SHA256
f3a3c69039dfe34f730f7d0fce073e690effdf54048c8526c6c6d6cf03fcaf19
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SHA512
d3b16c63bce7300c177dd5e0a25c1a55f83cb9102332cf20af5213521dae20bb53b576a314bec886bdf3da6fac1872fe82a75a6b5ffe1fd44430d8da54b2d09b
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 2788 3612 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 3612 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3612 EXCEL.EXE 3612 EXCEL.EXE 2860 dwwin.exe 2860 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3612 wrote to memory of 2788 3612 EXCEL.EXE 78 PID 3612 wrote to memory of 2788 3612 EXCEL.EXE 78 PID 2788 wrote to memory of 2860 2788 DW20.EXE 79 PID 2788 wrote to memory of 2860 2788 DW20.EXE 79
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-1079580695.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:3612 -
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 46082⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46083⤵
- Suspicious behavior: EnumeratesProcesses
PID:2860
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