Analysis
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max time kernel
76s -
max time network
140s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1020306933.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1020306933.xls
Resource
win10v200722
General
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Target
document-1020306933.xls
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Size
426KB
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MD5
9d754a13d49ce9c09a6b80707356dff2
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SHA1
35c8781464637c4fcded9103631ba86f2d515242
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SHA256
93bcdf1767f50a325e7aa4ce2c64125e5f1e3223f40b42850879bbb4b14b7aaf
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SHA512
70c2de0ea8d5e3089aa83433d99c7e0e827d847b901ecc58b67653061b1cf5cc6b23935420d2e9e0d50cbb147b023f0e6a9d815b19cc78067268274372d87c1f
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 3672 3480 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\~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 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 3480 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3480 EXCEL.EXE 3480 EXCEL.EXE 4020 dwwin.exe 4020 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3480 EXCEL.EXE 3480 EXCEL.EXE 3480 EXCEL.EXE 3480 EXCEL.EXE 3480 EXCEL.EXE 3480 EXCEL.EXE 3480 EXCEL.EXE 3480 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3480 wrote to memory of 3672 3480 EXCEL.EXE 79 PID 3480 wrote to memory of 3672 3480 EXCEL.EXE 79 PID 3672 wrote to memory of 4020 3672 DW20.EXE 80 PID 3672 wrote to memory of 4020 3672 DW20.EXE 80
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-1020306933.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:3480 -
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 46042⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46043⤵
- Suspicious behavior: EnumeratesProcesses
PID:4020
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