Analysis
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max time kernel
18s -
max time network
131s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-101080833.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-101080833.xls
Resource
win10v200722
General
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Target
document-101080833.xls
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Size
426KB
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MD5
0ed1a389fb99649e8c5af8f652db4343
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SHA1
c3dbbb995e208ac092130c46a052ee136d73af2e
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SHA256
8b2c54beed29f20ea0cc91fcc6a3d0a34928d351d36019c7f40bc667715d71b8
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SHA512
b508fe49f19b9dcfdaa7c9cff1559cc869a02f2d5b3021dc7f4155f588c0017d0dd5abd30948222af073ef2b857fff6a129bddcb1e34222296b6edcdb68d39be
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 4020 3608 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 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 3608 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3608 EXCEL.EXE 3608 EXCEL.EXE 3328 dwwin.exe 3328 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3608 wrote to memory of 4020 3608 EXCEL.EXE 73 PID 3608 wrote to memory of 4020 3608 EXCEL.EXE 73 PID 4020 wrote to memory of 3328 4020 DW20.EXE 74 PID 4020 wrote to memory of 3328 4020 DW20.EXE 74
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-101080833.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:3608 -
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 45162⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:4020 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 45163⤵
- Suspicious behavior: EnumeratesProcesses
PID:3328
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