Analysis
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max time kernel
72s -
max time network
134s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:12
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-603552632.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-603552632.xls
Resource
win10v200722
General
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Target
doc_pack-603552632.xls
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Size
62KB
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MD5
bad53f33fda9274124582f57181d84d4
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SHA1
ac4e08e9dcf08b2205fcb5acc47e72c75a3544fa
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SHA256
5a2622ab99baa2768003791692d3fe170da381885529b59656e00d7ca1209866
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SHA512
90d3820ece25ac3211a3cbfe36fbbcaa352dbbe73aa2951a39727ce63816d2d3ea23f1d7d31a3226e635856b8467281cb619fc742b9e19c0dec97559721b10cc
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 3644 500 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 500 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 500 EXCEL.EXE 500 EXCEL.EXE 1312 dwwin.exe 1312 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 500 wrote to memory of 3644 500 EXCEL.EXE 79 PID 500 wrote to memory of 3644 500 EXCEL.EXE 79 PID 3644 wrote to memory of 1312 3644 DW20.EXE 80 PID 3644 wrote to memory of 1312 3644 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\doc_pack-603552632.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:500 -
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 46442⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46443⤵
- Suspicious behavior: EnumeratesProcesses
PID:1312
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