Analysis
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max time kernel
8s -
max time network
130s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-611015860.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-611015860.xls
Resource
win10
General
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Target
doc_pack-611015860.xls
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Size
62KB
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MD5
347f5eec32582ec03753a31e5210d0b1
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SHA1
90ef4e6b994d094379ba04c78cb7b8532578d49c
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SHA256
43770b4ea36f6cb2707119a9010062e240d03851ad529dceb69a05aa45fa2513
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SHA512
e56229e5ea2bc2bf48cb0485fa7744f2c0d49c91f0ad40e5e1462c3ec1de91bb9480eeed7ed099998d621b9739807512dcec1f0806f83303e5fd3b41f8d0afdf
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 3176 3896 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3896 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3896 EXCEL.EXE 3896 EXCEL.EXE 188 dwwin.exe 188 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3896 wrote to memory of 3176 3896 EXCEL.EXE 76 PID 3896 wrote to memory of 3176 3896 EXCEL.EXE 76 PID 3176 wrote to memory of 188 3176 DW20.EXE 77 PID 3176 wrote to memory of 188 3176 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-611015860.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:3896 -
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 44202⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3176 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44203⤵
- Suspicious behavior: EnumeratesProcesses
PID:188
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