Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1310476554.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1310476554.xls
Resource
win10
General
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Target
document-1310476554.xls
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Size
426KB
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MD5
c18e35a3d4f917f58bdf2369d124e3d7
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SHA1
2f0c40006a5ebcfb2731b2e224512c2e7b5227d3
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SHA256
6518d25251986aad578f897b0e7ded08dae30841ed336b71fbb1b0c85a626380
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SHA512
1a5e50e6b4caeb3fe1d1af57404bc4195e67cf96e9112067de32acf838217aba5c917a93af4fe67e202034458fb5fd66f8e83f9b975e5e87171caca615481507
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 1712 3024 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 3024 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3024 EXCEL.EXE 3024 EXCEL.EXE 2152 dwwin.exe 2152 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3024 wrote to memory of 1712 3024 EXCEL.EXE 76 PID 3024 wrote to memory of 1712 3024 EXCEL.EXE 76 PID 1712 wrote to memory of 2152 1712 DW20.EXE 77 PID 1712 wrote to memory of 2152 1712 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-1310476554.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:3024 -
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 44362⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44363⤵
- Suspicious behavior: EnumeratesProcesses
PID:2152
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