Analysis
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max time kernel
143s -
max time network
147s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:12
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-556565811.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-556565811.xls
Resource
win10v200722
General
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Target
doc_pack-556565811.xls
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Size
62KB
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MD5
45573c209ac5d337b90fa93be8bb69b8
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SHA1
dffc292ac3eb82cb47839a0712b7b1ade282444d
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SHA256
e635157d7615d6d903ea3731e07a79bcf940e22f7b544a8ff8d19f96812c2263
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SHA512
a5608c66819c5c7b8c600012b28cc29724cf3ca4585a55ed40eb0b60617d3b1ef3c4eda13b31b0b2267286127c4fb7af3a91960e2501d21dfe98b2dff6c511ff
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 644 1012 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 1012 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1012 EXCEL.EXE 1012 EXCEL.EXE 588 dwwin.exe 588 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE 1012 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1012 wrote to memory of 644 1012 EXCEL.EXE 74 PID 1012 wrote to memory of 644 1012 EXCEL.EXE 74 PID 644 wrote to memory of 588 644 DW20.EXE 75 PID 644 wrote to memory of 588 644 DW20.EXE 75
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-556565811.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:1012 -
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 44722⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44723⤵
- Suspicious behavior: EnumeratesProcesses
PID:588
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