Analysis
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max time kernel
81s -
max time network
151s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:12
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-601237926.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-601237926.xls
Resource
win10v200722
General
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Target
doc_pack-601237926.xls
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Size
62KB
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MD5
3c7f9e6c9e4f039357d6705ec9f40d4d
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SHA1
5db2b93aca5baf7e5097dff81929bfb102bff02b
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SHA256
56f33ce8f99097917d1407d2b90db3819bc6e2c79a7bea21790f76298571e0a6
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SHA512
a0506932b0f6f491feb0fe96157226a827351ee36e52053730fdc6e066d06d12772f83399a1218ed34b0b8105858df66feeacb18c3d3fb9fa453c60da7932687
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 988 2164 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 2164 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2164 EXCEL.EXE 2164 EXCEL.EXE 2168 dwwin.exe 2168 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE 2164 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2164 wrote to memory of 988 2164 EXCEL.EXE 79 PID 2164 wrote to memory of 988 2164 EXCEL.EXE 79 PID 988 wrote to memory of 2168 988 DW20.EXE 80 PID 988 wrote to memory of 2168 988 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-601237926.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:2164 -
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 46802⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:988 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46803⤵
- Suspicious behavior: EnumeratesProcesses
PID:2168
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