Analysis
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max time kernel
74s -
max time network
148s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:22
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-340919856.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-340919856.xls
Resource
win10v200722
General
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Target
doc_pack-340919856.xls
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Size
62KB
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MD5
ffe445b71c18ebc32d4f63db16856716
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SHA1
50e79679addbf77d0da7f7c570cacbb58cc69a36
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SHA256
8fbfb09ae5569e4ea33e408e9d7102740d5249855594a36862e916eaf9359b87
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SHA512
c0bd93c77f965d17cf46f944f774cf96cc8d6624f5b8da2cfb87b233facf99f868b6640849741d2dbd4dce659c1ed2835d1a556933b87d6f2780375b39de0311
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 1972 532 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 532 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 532 EXCEL.EXE 532 EXCEL.EXE 500 dwwin.exe 500 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 532 wrote to memory of 1972 532 EXCEL.EXE 79 PID 532 wrote to memory of 1972 532 EXCEL.EXE 79 PID 1972 wrote to memory of 500 1972 DW20.EXE 80 PID 1972 wrote to memory of 500 1972 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\doc_pack-340919856.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:532 -
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 47562⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47563⤵
- Suspicious behavior: EnumeratesProcesses
PID:500
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