Analysis
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max time kernel
134s -
max time network
156s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:06
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-679286334.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-679286334.xls
Resource
win10v200722
General
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Target
doc_pack-679286334.xls
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Size
62KB
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MD5
ddc9ec420d93faae9463030427512db7
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SHA1
3cbc4bab6d56fb5d0fcb4920ba64500b1f33ebe7
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SHA256
67cf07881ff311682e4f0b40edfb2eb95c5843d06dd95a78468968a971e11ca9
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SHA512
be6857a093a1daa1f9c28029f1f9a685eca8a92eca2d4c19b78db3a6f9a52021d20bf435769a65e3a3621d0ce2669c42519ef617e3b97861fbb8bb07e65c9115
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 2164 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2164 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2164 EXCEL.EXE 2164 EXCEL.EXE 200 dwwin.exe 200 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2164 wrote to memory of 3828 2164 EXCEL.EXE 76 PID 2164 wrote to memory of 3828 2164 EXCEL.EXE 76 PID 3828 wrote to memory of 200 3828 DW20.EXE 77 PID 3828 wrote to memory of 200 3828 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-679286334.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:2164 -
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 46682⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46683⤵
- Suspicious behavior: EnumeratesProcesses
PID:200
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