Analysis
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max time kernel
87s -
max time network
134s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 23:12
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-558028279.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-558028279.xls
Resource
win10
General
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Target
doc_pack-558028279.xls
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Size
62KB
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MD5
c2f0c7b109a94b73037f64e4012f1408
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SHA1
5951e185e2fca3a58079fc0d7636b9ad0c20c707
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SHA256
9a6b11256e4f07bebe32f2eec83c9501ff2a38e3b609b999d2879f0254aef45c
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SHA512
887792ec31ed36f39f075cb6abc62a36103b66b4a64d8233883fcd9ca7f3cfcc637b8b0582699ed3f99aaec5f13172315542d3405b700160d057a9080584f425
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 2204 3404 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\~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 3404 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3404 EXCEL.EXE 3404 EXCEL.EXE 2468 dwwin.exe 2468 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3404 wrote to memory of 2204 3404 EXCEL.EXE 76 PID 3404 wrote to memory of 2204 3404 EXCEL.EXE 76 PID 2204 wrote to memory of 2468 2204 DW20.EXE 77 PID 2204 wrote to memory of 2468 2204 DW20.EXE 77
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-558028279.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:3404 -
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 44762⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44763⤵
- Suspicious behavior: EnumeratesProcesses
PID:2468
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