Analysis
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max time kernel
10s -
max time network
130s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1228001671.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1228001671.xls
Resource
win10
General
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Target
document-1228001671.xls
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Size
426KB
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MD5
3b2c902f6e257e49b3cacb4ddafd949b
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SHA1
ec171b59b6ada7bb4fa4dfc99c04d1fcafa8e638
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SHA256
144d7d3c66bdf573589f726931eff081d93428d5dd4b9b92a90e724c528ffa9b
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SHA512
ae96ffd3719b76895facfc0fe3e2a4301753b71a023bd5f79cf291e661be1bef7da8e3c2b934324cd38266d90b32ec75ab14420fa29089eb80ecda638a8a22f6
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 2264 2212 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\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2212 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2212 EXCEL.EXE 2212 EXCEL.EXE 2676 dwwin.exe 2676 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE 2212 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2212 wrote to memory of 2264 2212 EXCEL.EXE 77 PID 2212 wrote to memory of 2264 2212 EXCEL.EXE 77 PID 2264 wrote to memory of 2676 2264 DW20.EXE 78 PID 2264 wrote to memory of 2676 2264 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-1228001671.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:2212 -
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 44722⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44723⤵
- Suspicious behavior: EnumeratesProcesses
PID:2676
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