Analysis
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max time kernel
93s -
max time network
157s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1419911635.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1419911635.xls
Resource
win10v200722
General
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Target
document-1419911635.xls
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Size
426KB
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MD5
1dd1aa5248d452d523ef09ceb950353d
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SHA1
3a533e5721c063194ded5069a5eed5d2287fdbba
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SHA256
76c010b5a3c0dc1a43252fb2b04e499f637b21b59e03502a355638cd051ede9c
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SHA512
68b71183ce0abf510aac832cbec03317227e7a4967d44d111aeefe51fe643b5041ef9cc2448f68e4de19730278d51f8a8c22331984a3cc57147a39c5cc4519a7
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 3060 3828 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 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 3828 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3828 EXCEL.EXE 3828 EXCEL.EXE 3504 dwwin.exe 3504 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3828 wrote to memory of 3060 3828 EXCEL.EXE 79 PID 3828 wrote to memory of 3060 3828 EXCEL.EXE 79 PID 3060 wrote to memory of 3504 3060 DW20.EXE 80 PID 3060 wrote to memory of 3504 3060 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\document-1419911635.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:3828 -
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 47482⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47483⤵
- Suspicious behavior: EnumeratesProcesses
PID:3504
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