Analysis
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max time kernel
77s -
max time network
146s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1243162387.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1243162387.xls
Resource
win10v200722
General
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Target
document-1243162387.xls
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Size
426KB
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MD5
3ce77d0fb28abff9bb7ba4629f962cb3
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SHA1
fdee6ab0768301e5463eb7a70e0f8b92fb2f38e1
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SHA256
d1a408b3ce817db2eac3612dbc0083207b4a4781ba835aa385bac344a43a4cfe
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SHA512
6660f44c4142b2f37e69e46bde268c85da25ded042729f8ec14cc67295546a7f627e6b56589f1493f92c85438548bb04d1eaf088d999aadd5e27e8c555369957
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 196 3816 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 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 3816 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3816 EXCEL.EXE 3816 EXCEL.EXE 3032 dwwin.exe 3032 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE 3816 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3816 wrote to memory of 196 3816 EXCEL.EXE 78 PID 3816 wrote to memory of 196 3816 EXCEL.EXE 78 PID 196 wrote to memory of 3032 196 DW20.EXE 79 PID 196 wrote to memory of 3032 196 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-1243162387.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:3816 -
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 47042⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:196 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47043⤵
- Suspicious behavior: EnumeratesProcesses
PID:3032
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