Analysis
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max time kernel
119s -
max time network
144s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:08
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-662028823.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-662028823.xls
Resource
win10v200722
General
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Target
doc_pack-662028823.xls
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Size
62KB
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MD5
bf964ffc7afa9821519b3396f9a2c0e0
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SHA1
7b6a065df9c5d5fd041da3d8a4996d5e991f8f17
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SHA256
9a8717a23efc0a5c500ba7ed68cf0919fddff120743f3b32614869e3d5c77a87
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SHA512
65297ace4b17079b44f918d075ad29f075313dba80fb5bc3612b45681cef156ac122915d9f868a10c2d6f2187a3a8cad31547ff4ade90840b53733404cdcf8d6
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 3828 408 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 408 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 408 EXCEL.EXE 408 EXCEL.EXE 1980 dwwin.exe 1980 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 408 wrote to memory of 3828 408 EXCEL.EXE 78 PID 408 wrote to memory of 3828 408 EXCEL.EXE 78 PID 3828 wrote to memory of 1980 3828 DW20.EXE 79 PID 3828 wrote to memory of 1980 3828 DW20.EXE 79
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-662028823.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:408 -
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 46562⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46563⤵
- Suspicious behavior: EnumeratesProcesses
PID:1980
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