Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1340191689.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1340191689.xls
Resource
win10
General
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Target
document-1340191689.xls
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Size
426KB
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MD5
167bb5f82403d2b27e64b232278306f3
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SHA1
cc40344a21f2a562d0baaaf0f17bece2fa3428ad
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SHA256
799fc8551fb8aaf71114d23552e59ab7d148a41cf7659673fc50cb85c7836e1f
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SHA512
0c02bd954351c18ac8f3098016ae6a926b85a2e66696e5e89413add6c3f256b592af77fa83c140d6295644bafdc17b9af35142e83c9d6353fd0a21c190c6ea66
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 2672 3488 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 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 3488 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3488 EXCEL.EXE 3488 EXCEL.EXE 2784 dwwin.exe 2784 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3488 EXCEL.EXE 3488 EXCEL.EXE 3488 EXCEL.EXE 3488 EXCEL.EXE 3488 EXCEL.EXE 3488 EXCEL.EXE 3488 EXCEL.EXE 3488 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3488 wrote to memory of 2672 3488 EXCEL.EXE 76 PID 3488 wrote to memory of 2672 3488 EXCEL.EXE 76 PID 2672 wrote to memory of 2784 2672 DW20.EXE 77 PID 2672 wrote to memory of 2784 2672 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\document-1340191689.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:3488 -
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 44442⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44443⤵
- Suspicious behavior: EnumeratesProcesses
PID:2784
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