Analysis
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max time kernel
25s -
max time network
131s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1218875531.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1218875531.xls
Resource
win10v200722
General
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Target
document-1218875531.xls
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Size
426KB
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MD5
696d70e8768f6375cf17d1e64a230054
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SHA1
4418ebc29821bc71ea59c8d56f7965e6c4d84a98
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SHA256
c7119c885b1a28b1bbf2157800e3384e60bc9e4bbeacb607bf58b6158eec27c1
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SHA512
5f122dd57d47028a92cfda680b2497a859170266874d086ae2e05e4367deb3dcb260457a47a00481a2ae108614a7974be8eb028a719d3a42f048ecfb2a5134fe
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 3496 592 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 592 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 592 EXCEL.EXE 592 EXCEL.EXE 3816 dwwin.exe 3816 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE 592 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 592 wrote to memory of 3496 592 EXCEL.EXE 73 PID 592 wrote to memory of 3496 592 EXCEL.EXE 73 PID 3496 wrote to memory of 3816 3496 DW20.EXE 74 PID 3496 wrote to memory of 3816 3496 DW20.EXE 74
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-1218875531.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:592 -
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:3496 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44723⤵
- Suspicious behavior: EnumeratesProcesses
PID:3816
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