Analysis
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max time kernel
14s -
max time network
141s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1351298490.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1351298490.xls
Resource
win10
General
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Target
document-1351298490.xls
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Size
426KB
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MD5
2d7c02b9bb7fc61eb436b729610e5a76
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SHA1
125c38ed991c91f6f433b3302154fb89c7a5c0b3
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SHA256
78f64f89a0c5c5bca7bb70c397b56c46ab211e4fb55ae872023aa9c50ffb7a31
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SHA512
5b77db04c65732f201d14475cf02a22eee4a8b0061303d47102582180a2f6a44b45e448b127a7efede5b986158b4a96b483655a0e012cf213f5bdd96c67d8e2b
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 2692 3928 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 3928 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3928 EXCEL.EXE 3928 EXCEL.EXE 1644 dwwin.exe 1644 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3928 wrote to memory of 2692 3928 EXCEL.EXE 77 PID 3928 wrote to memory of 2692 3928 EXCEL.EXE 77 PID 2692 wrote to memory of 1644 2692 DW20.EXE 78 PID 2692 wrote to memory of 1644 2692 DW20.EXE 78
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-1351298490.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:3928 -
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 44882⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44883⤵
- Suspicious behavior: EnumeratesProcesses
PID:1644
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