Analysis
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max time kernel
100s -
max time network
138s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-721446329.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-721446329.xls
Resource
win10
General
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Target
doc_pack-721446329.xls
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Size
62KB
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MD5
01c0c01401309a9e349f817f8f0a74c7
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SHA1
30e87fb0b9e7924b194a99dcde017294c39b3806
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SHA256
a93bfa4920a9f91c07a14d8eb9d89ba2fa9ea282112842525957dc1b931ac2da
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SHA512
ff0cb7ac390b213aa2a4d9f61cda0e90a949ac3364fe737c34a67debd3134cb0af7885650f74140fabdbe99e0dd039d8ef243fe222be344f9b1d7df8e07374aa
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 1912 3612 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 3612 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3612 EXCEL.EXE 3612 EXCEL.EXE 2116 dwwin.exe 2116 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE 3612 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3612 wrote to memory of 1912 3612 EXCEL.EXE 76 PID 3612 wrote to memory of 1912 3612 EXCEL.EXE 76 PID 1912 wrote to memory of 2116 1912 DW20.EXE 77 PID 1912 wrote to memory of 2116 1912 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-721446329.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:3612 -
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 44122⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44123⤵
- Suspicious behavior: EnumeratesProcesses
PID:2116
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