Analysis
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max time kernel
17s -
max time network
140s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1378264034.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1378264034.xls
Resource
win10
General
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Target
document-1378264034.xls
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Size
426KB
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MD5
3eb10f12c477e37c7cff6052e7119e20
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SHA1
593825b91a2828987d2a123e14cfb7eda8116f89
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SHA256
edd0f5a1ef18278cf0d595b0c76161908f8d10874dbfad6a06ba81931b0dd2d5
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SHA512
6f82338a300d12c9f87de8ccbf3101f92046f03419c21936a665100fe4b904c3770fd8a6fce7f5fd4807a346fc8bcc51bb3a16e5b57fecc92d43c6547ca7dfe4
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 3628 3908 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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3908 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3908 EXCEL.EXE 3908 EXCEL.EXE 3656 dwwin.exe 3656 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3908 wrote to memory of 3628 3908 EXCEL.EXE 76 PID 3908 wrote to memory of 3628 3908 EXCEL.EXE 76 PID 3628 wrote to memory of 3656 3628 DW20.EXE 77 PID 3628 wrote to memory of 3656 3628 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-1378264034.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:3908 -
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 45082⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 45083⤵
- Suspicious behavior: EnumeratesProcesses
PID:3656
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