Analysis
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max time kernel
141s -
max time network
144s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1047902915.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1047902915.xls
Resource
win10
General
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Target
document-1047902915.xls
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Size
426KB
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MD5
16cb0dc091648a793f260a4d8eca4c50
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SHA1
25e7ef4575bae195080feb572ebfad5ebe453939
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SHA256
8ccd44fd429cd6642560a78c4be6997530acd913c29fa8331c6a04544d7a79cd
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SHA512
5b8689b63a60eb350351540687242d9c6734046e7b40debafa8431eab7fe0ee111d2cfb9dec839cf1095a1bd787b345f7e0e9baa97240f7121d230ac58cd58ac
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 2632 3024 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\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 3024 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3024 EXCEL.EXE 3024 EXCEL.EXE 3464 dwwin.exe 3464 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3024 wrote to memory of 2632 3024 EXCEL.EXE 76 PID 3024 wrote to memory of 2632 3024 EXCEL.EXE 76 PID 2632 wrote to memory of 3464 2632 DW20.EXE 77 PID 2632 wrote to memory of 3464 2632 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\document-1047902915.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:3024 -
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:2632 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44203⤵
- Suspicious behavior: EnumeratesProcesses
PID:3464
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