Analysis
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max time kernel
127s -
max time network
128s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 22:25
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-322852480.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-322852480.xls
Resource
win10
General
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Target
doc_pack-322852480.xls
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Size
62KB
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MD5
f24be4a4c54255242b5228ad2f71a65e
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SHA1
f2a18cc566628f4961968655c3cf6c8c35200569
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SHA256
a03c79804415b03223cf3c0e53577cc2781da70e5e9449a8e3cff753dbaf6e83
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SHA512
22cfbbb50b3383dbb160a7573be662e813e4855fff4665e5c02c878e0d164e134ee69965996daf4714cb8b002c9b4023e8596801e226223bbc84c23d3710ba90
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 1968 2720 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 2720 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2720 EXCEL.EXE 2720 EXCEL.EXE 2084 dwwin.exe 2084 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2720 wrote to memory of 1968 2720 EXCEL.EXE 76 PID 2720 wrote to memory of 1968 2720 EXCEL.EXE 76 PID 1968 wrote to memory of 2084 1968 DW20.EXE 77 PID 1968 wrote to memory of 2084 1968 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\doc_pack-322852480.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:2720 -
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 44362⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44363⤵
- Suspicious behavior: EnumeratesProcesses
PID:2084
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