Analysis
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max time kernel
75s -
max time network
146s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-616670631.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-616670631.xls
Resource
win10v200722
General
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Target
doc_pack-616670631.xls
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Size
62KB
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MD5
4b4d5112a28518693fb254ea267f021f
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SHA1
c7628effb6be42dc9975cc2c5267c20f8484d747
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SHA256
36c2bf7eca190f7f7d2c22bdb9cf35d02ab75235d5b4245c5df772e01d0edc97
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SHA512
60533c4cc0c8d383d255c4575c085215bfcd511375af6483bd8307e0ff35c3ee4b09d2db9066e3d24d4cf8e9b375ac958700aaa0f0cf0f5d4909c26c42222e68
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 3464 408 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 408 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 408 EXCEL.EXE 408 EXCEL.EXE 1612 dwwin.exe 1612 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 3464 408 EXCEL.EXE 80 PID 408 wrote to memory of 3464 408 EXCEL.EXE 80 PID 3464 wrote to memory of 1612 3464 DW20.EXE 81 PID 3464 wrote to memory of 1612 3464 DW20.EXE 81
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-616670631.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 47002⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47003⤵
- Suspicious behavior: EnumeratesProcesses
PID:1612
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