Analysis
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max time kernel
81s -
max time network
143s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:08
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-609454536.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-609454536.xls
Resource
win10v200722
General
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Target
doc_pack-609454536.xls
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Size
62KB
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MD5
fd2989277834f553994ad77c0360c16d
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SHA1
5fc8a4a5b54d63b61fc800194c448c4080d045fb
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SHA256
56f755078adfb9fc333786f496ea76949a695aa84c2d32fa943638c039341782
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SHA512
016feaa3ea9abc913d520867049d08ad014edd53d386cc2262a70c91865fdfca4cb4d0226f62dcb26a7f73824cf63221e47948f345b04e16eda053ad3b253f45
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 208 3056 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3056 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3056 EXCEL.EXE 3056 EXCEL.EXE 2840 dwwin.exe 2840 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3056 wrote to memory of 208 3056 EXCEL.EXE 77 PID 3056 wrote to memory of 208 3056 EXCEL.EXE 77 PID 208 wrote to memory of 2840 208 DW20.EXE 78 PID 208 wrote to memory of 2840 208 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\doc_pack-609454536.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:3056 -
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 46122⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46123⤵
- Suspicious behavior: EnumeratesProcesses
PID:2840
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