Analysis
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max time kernel
77s -
max time network
138s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1245208679.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1245208679.xls
Resource
win10v200722
General
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Target
document-1245208679.xls
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Size
426KB
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MD5
0f8ddf812dae5b6e00aefd434630759d
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SHA1
e4163f1e5da8ab3372e5753bc68cd7d4dff2ff0b
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SHA256
2154012ba114ffd14ef2d4bfe708512619c141f94d60523377dc64538ae6befd
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SHA512
24c2eb06850c4c5876b08f33b0f93413b873f4c17a2c75bcfe225c3d7cb5d460cdf38b591477c30b70a971e45110b94868388afa6c98564d7681beda77cef98d
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 3868 2060 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 2060 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2060 EXCEL.EXE 2060 EXCEL.EXE 2012 dwwin.exe 2012 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2060 EXCEL.EXE 2060 EXCEL.EXE 2060 EXCEL.EXE 2060 EXCEL.EXE 2060 EXCEL.EXE 2060 EXCEL.EXE 2060 EXCEL.EXE 2060 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2060 wrote to memory of 3868 2060 EXCEL.EXE 77 PID 2060 wrote to memory of 3868 2060 EXCEL.EXE 77 PID 3868 wrote to memory of 2012 3868 DW20.EXE 78 PID 3868 wrote to memory of 2012 3868 DW20.EXE 78
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-1245208679.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:2060 -
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 46002⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3868 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46003⤵
- Suspicious behavior: EnumeratesProcesses
PID:2012
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