Analysis
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max time kernel
78s -
max time network
148s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-418403106.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-418403106.xls
Resource
win10v200722
General
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Target
doc_pack-418403106.xls
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Size
62KB
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MD5
ffb26b9614d1917e702d16295d49895b
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SHA1
49f8e160daa487d4f978734e87e2e29428d3dea6
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SHA256
764a920b8397794ee25686ccfd08c2d8a1a73e1f038ba0429aef74fa78cef94b
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SHA512
0733c0aef2be1f48f9fb3f12e6ffd0661a841b820c78fb7de16d465bd91ab89e3a1b551fc942cc2a06480131487e46cf6fb0455ee2dcf5ced30959c38e5fb4cc
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 4020 496 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 496 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 496 EXCEL.EXE 496 EXCEL.EXE 3712 dwwin.exe 3712 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 496 EXCEL.EXE 496 EXCEL.EXE 496 EXCEL.EXE 496 EXCEL.EXE 496 EXCEL.EXE 496 EXCEL.EXE 496 EXCEL.EXE 496 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 496 wrote to memory of 4020 496 EXCEL.EXE 79 PID 496 wrote to memory of 4020 496 EXCEL.EXE 79 PID 4020 wrote to memory of 3712 4020 DW20.EXE 80 PID 4020 wrote to memory of 3712 4020 DW20.EXE 80
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-418403106.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:496 -
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 47162⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:4020 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47163⤵
- Suspicious behavior: EnumeratesProcesses
PID:3712
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