Analysis
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max time kernel
87s -
max time network
152s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1301932622.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1301932622.xls
Resource
win10v200722
General
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Target
document-1301932622.xls
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Size
426KB
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MD5
0303376bf5fae206ee471ff87c5ba603
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SHA1
9fe2756b6193ff00458c467e20f0e8055207e1fb
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SHA256
afc1e1d2c1bfab7ad6d9187ec6dad635bd6ef476b9641fbd62ad19a136b616ed
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SHA512
f1d72bc6e76faa20692ddd8e2b290d3876c34ba915876aad8d3d2735031e5a8491e49a2334c756583d87e80f41a5e43a840de669450033b93e9994e0d93bbdc8
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 2876 292 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 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 292 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 292 EXCEL.EXE 292 EXCEL.EXE 3980 dwwin.exe 3980 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 292 wrote to memory of 2876 292 EXCEL.EXE 79 PID 292 wrote to memory of 2876 292 EXCEL.EXE 79 PID 2876 wrote to memory of 3980 2876 DW20.EXE 80 PID 2876 wrote to memory of 3980 2876 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-1301932622.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:292 -
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 46882⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46883⤵
- Suspicious behavior: EnumeratesProcesses
PID:3980
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