Analysis
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max time kernel
74s -
max time network
141s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-140556161.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-140556161.xls
Resource
win10
General
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Target
document-140556161.xls
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Size
426KB
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MD5
46a78b2eb96abf3ec4c7f73cdaca4b14
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SHA1
fa6a6ed8db710849bbae357eaadf1bc9edd181e2
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SHA256
751f9ae8555c6c6f8a0fe0eb756ff88962b93890c36fcdeb21929c1f67f0bfc0
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SHA512
7fbedab4b640b01a3388c79d5b55ee6ddcae134438697e7d6db91bdd47f4fb9358e970761ea432063c7549cb68ca007960ba723105ecf7c4a5d90babed48c388
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 1504 3700 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 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 3700 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3700 EXCEL.EXE 3700 EXCEL.EXE 3828 dwwin.exe 3828 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE 3700 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3700 wrote to memory of 1504 3700 EXCEL.EXE 79 PID 3700 wrote to memory of 1504 3700 EXCEL.EXE 79 PID 1504 wrote to memory of 3828 1504 DW20.EXE 80 PID 1504 wrote to memory of 3828 1504 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\document-140556161.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:3700 -
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 47002⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47003⤵
- Suspicious behavior: EnumeratesProcesses
PID:3828
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