Analysis
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max time kernel
100s -
max time network
146s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1033759037.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1033759037.xls
Resource
win10
General
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Target
document-1033759037.xls
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Size
426KB
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MD5
861637de695f13dadce1b80ddbaf8c56
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SHA1
7e6dfa06c75b9cc1d81a57e6052f857bafa3a381
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SHA256
31c444cd5079279b63a9d32254af7919eb312ae4bf2c063fc404d1fda971f3c6
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SHA512
bb3686dc8fb0c893d4be43998add8f03d1ad6374c5f3e6d262ed42f4ba420e11aa742a389394761acfbc131a31de0bf5c388050eafc92e7afd58b30a6a562942
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 2548 1756 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 1756 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1756 EXCEL.EXE 1756 EXCEL.EXE 2156 dwwin.exe 2156 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1756 wrote to memory of 2548 1756 EXCEL.EXE 76 PID 1756 wrote to memory of 2548 1756 EXCEL.EXE 76 PID 2548 wrote to memory of 2156 2548 DW20.EXE 77 PID 2548 wrote to memory of 2156 2548 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-1033759037.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:1756 -
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 44482⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44483⤵
- Suspicious behavior: EnumeratesProcesses
PID:2156
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