Analysis
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max time kernel
94s -
max time network
150s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1351173629.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1351173629.xls
Resource
win10v200722
General
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Target
document-1351173629.xls
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Size
426KB
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MD5
ede29f8c2770f1667920e7b1ff052a41
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SHA1
63e803aca90cdd56c2913be5d23747cdf0a8954e
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SHA256
a9762b01651988a6be4b295ea675de5d1c96c1b663cbcf3535ffe8f2012748a2
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SHA512
7b66f6b7abd105d3aad60efefbb66e9b9d1e58db8ca5f6973497b0bda8bf207b8ade1e4697db3f6127ab4e0d53ef7205a497dfbc38cef2517a72b1a8f68e3b47
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 640 584 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\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 584 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 584 EXCEL.EXE 584 EXCEL.EXE 68 dwwin.exe 68 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 584 EXCEL.EXE 584 EXCEL.EXE 584 EXCEL.EXE 584 EXCEL.EXE 584 EXCEL.EXE 584 EXCEL.EXE 584 EXCEL.EXE 584 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 584 wrote to memory of 640 584 EXCEL.EXE 79 PID 584 wrote to memory of 640 584 EXCEL.EXE 79 PID 640 wrote to memory of 68 640 DW20.EXE 80 PID 640 wrote to memory of 68 640 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-1351173629.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:584 -
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 47162⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47163⤵
- Suspicious behavior: EnumeratesProcesses
PID:68
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