Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1008660803.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1008660803.xls
Resource
win10v200722
General
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Target
document-1008660803.xls
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Size
426KB
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MD5
345082023e5633bb811c9dfbde81823d
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SHA1
53f4b9c2da3d51411934512aa8c5773dc389e6eb
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SHA256
81c407a69e92af9be6f1f3812267ed37f1f0b1dad6725026b6d6447cac2d0ff0
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SHA512
19cfac4db7e38b1dfcefb7fdee4b4c02517b6f369f0435b3da4a7ebe1a5740d56e3a7cf5d15c62fc474418280f5675dd88e70036d32983acd9b541ef0bb5f0e3
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 2664 3840 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 3840 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3840 EXCEL.EXE 3840 EXCEL.EXE 3600 dwwin.exe 3600 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3840 EXCEL.EXE 3840 EXCEL.EXE 3840 EXCEL.EXE 3840 EXCEL.EXE 3840 EXCEL.EXE 3840 EXCEL.EXE 3840 EXCEL.EXE 3840 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3840 wrote to memory of 2664 3840 EXCEL.EXE 79 PID 3840 wrote to memory of 2664 3840 EXCEL.EXE 79 PID 2664 wrote to memory of 3600 2664 DW20.EXE 80 PID 2664 wrote to memory of 3600 2664 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-1008660803.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:3840 -
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 46682⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46683⤵
- Suspicious behavior: EnumeratesProcesses
PID:3600
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