Analysis
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max time kernel
9s -
max time network
134s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
document-104660471.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-104660471.xls
Resource
win10
General
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Target
document-104660471.xls
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Size
426KB
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MD5
baa51be0314e2fd53390cac661f8cc6a
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SHA1
d46efec04c717f8b5a9156d67d194ed4bec1fa0e
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SHA256
834efa9fc1568d2d75afa972975828dc3a4508fecbc91052cea2ccd41d2a9cd3
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SHA512
97f4895c32cb477a25d09f57fb6630b42ebe4c582db9443cc1523f74ef1ded76ca467fc670686bfcbedeb341a6cb3e67de2676785ee875bc53238cd763f2362d
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 2724 3896 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 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 3896 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3896 EXCEL.EXE 3896 EXCEL.EXE 2820 dwwin.exe 2820 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3896 wrote to memory of 2724 3896 EXCEL.EXE 76 PID 3896 wrote to memory of 2724 3896 EXCEL.EXE 76 PID 2724 wrote to memory of 2820 2724 DW20.EXE 77 PID 2724 wrote to memory of 2820 2724 DW20.EXE 77
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-104660471.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:3896 -
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 44402⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44403⤵
- Suspicious behavior: EnumeratesProcesses
PID:2820
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