Analysis
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max time kernel
81s -
max time network
146s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:08
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-584043805.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-584043805.xls
Resource
win10v200722
General
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Target
doc_pack-584043805.xls
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Size
62KB
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MD5
f8a7090f51203d97adf36d5558383f9b
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SHA1
558fb7b5989f2352838cfc56c8a0849d6612418a
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SHA256
8e4889b74014eb9fe38cb7c318cebd149256707ad4f6316c3ab12fb35cbce999
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SHA512
cbaf66efedc1fd434ebda54ed4a787107ecca903fce02939221515efdf89c6dad863c40c6f8a776e5b27d6ce298e3ba6f1aadcd02bee196e1454eb22e0c5e2f4
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 3392 532 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 532 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 532 EXCEL.EXE 532 EXCEL.EXE 1496 dwwin.exe 1496 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 532 wrote to memory of 3392 532 EXCEL.EXE 79 PID 532 wrote to memory of 3392 532 EXCEL.EXE 79 PID 3392 wrote to memory of 1496 3392 DW20.EXE 80 PID 3392 wrote to memory of 1496 3392 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-584043805.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:532 -
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 46922⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46923⤵
- Suspicious behavior: EnumeratesProcesses
PID:1496
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