Analysis
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max time kernel
9s -
max time network
130s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-449771063.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-449771063.xls
Resource
win10
General
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Target
doc_pack-449771063.xls
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Size
62KB
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MD5
fdf406f686b1f3202ceaa119ec2e125d
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SHA1
0a35e7475c75066a617bed0d81faf6ac524cb7cf
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SHA256
39f039b8cef0c1446038533c14d350b5928b1d2555c1884bf521dc26f7ae664d
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SHA512
9d7b30f40f1a1ac25bc36eb305d113f8313015aeda0b6d77a8e13086bd9e5413a500326c283157b7ab468d9a92ac30984003d7f5eebbeaf75e22212bd2d4940b
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 1992 3588 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 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 3588 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3588 EXCEL.EXE 3588 EXCEL.EXE 2056 dwwin.exe 2056 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3588 wrote to memory of 1992 3588 EXCEL.EXE 77 PID 3588 wrote to memory of 1992 3588 EXCEL.EXE 77 PID 1992 wrote to memory of 2056 1992 DW20.EXE 78 PID 1992 wrote to memory of 2056 1992 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\doc_pack-449771063.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:3588 -
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 44442⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44443⤵
- Suspicious behavior: EnumeratesProcesses
PID:2056
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