Analysis
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max time kernel
74s -
max time network
134s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-578845380.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-578845380.xls
Resource
win10v200722
General
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Target
doc_pack-578845380.xls
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Size
62KB
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MD5
bc0f28c27bfe2d9728a8ad04e4ed4d1d
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SHA1
5ebd8a3a18d57d219ef797a9c8d4c15d0197e1f8
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SHA256
67c73d5e01b679735d8e5ff6538604d8eddfd211d4201f3f27423bc37a808f70
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SHA512
6ca8a835bc0f2a88a688f07461b2cf584fe2ce28910f3e0e82ed3aecb96eb9e3775ce9d2d065c11ca60381880f5ff3d4261cbfaebe1575ef90983dac3f24d2e1
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 512 648 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 648 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 648 EXCEL.EXE 648 EXCEL.EXE 2532 dwwin.exe 2532 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 648 wrote to memory of 512 648 EXCEL.EXE 76 PID 648 wrote to memory of 512 648 EXCEL.EXE 76 PID 512 wrote to memory of 2532 512 DW20.EXE 77 PID 512 wrote to memory of 2532 512 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-578845380.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:648 -
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 46242⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46243⤵
- Suspicious behavior: EnumeratesProcesses
PID:2532
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