Analysis
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max time kernel
77s -
max time network
136s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1044226716.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1044226716.xls
Resource
win10v200722
General
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Target
document-1044226716.xls
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Size
426KB
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MD5
87127a4d88bcc9f18920ac80a91af8a3
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SHA1
fee4617bc53b0e419ec296afdcb657a4ba205f48
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SHA256
6e94734dd5b2c7eeefe80b4c71a6712a53da67a328bf5001f4efc0bd033fee16
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SHA512
784639867b8224f521b4483127fe05532757ab0a9d6fbcb103ecb8b4705d7206008b30a681dd4b3fe98a71cce650151d7cea0db6d8a19005335677f051ddb4fa
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 2044 592 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 592 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 592 EXCEL.EXE 592 EXCEL.EXE 2868 dwwin.exe 2868 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 592 wrote to memory of 2044 592 EXCEL.EXE 78 PID 592 wrote to memory of 2044 592 EXCEL.EXE 78 PID 2044 wrote to memory of 2868 2044 DW20.EXE 79 PID 2044 wrote to memory of 2868 2044 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\document-1044226716.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:592 -
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 46162⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46163⤵
- Suspicious behavior: EnumeratesProcesses
PID:2868
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