Analysis
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max time kernel
140s -
max time network
144s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1257000597.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1257000597.xls
Resource
win10
General
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Target
document-1257000597.xls
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Size
426KB
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MD5
7533a26c689f487b50a3ab1527a44c4c
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SHA1
b390d65ae7788b01cf9f46da08e808e47cdf3350
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SHA256
ea25d2a9866afd7323c341033032ec76c24d1240ae9c0784997c1d17b516969d
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SHA512
5430e93c9be4cd2fb6cef91392f12fd5f0a8184f956707a2de3b26dcdf4b6bfca8c217913532a69f23960134bee0b7926c7e228bfde6c6f12888dc23399d5838
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 1696 720 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 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 720 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 720 EXCEL.EXE 720 EXCEL.EXE 1756 dwwin.exe 1756 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE 720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 720 wrote to memory of 1696 720 EXCEL.EXE 76 PID 720 wrote to memory of 1696 720 EXCEL.EXE 76 PID 1696 wrote to memory of 1756 1696 DW20.EXE 77 PID 1696 wrote to memory of 1756 1696 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-1257000597.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:720 -
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 44162⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44163⤵
- Suspicious behavior: EnumeratesProcesses
PID:1756
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