Analysis
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max time kernel
85s -
max time network
153s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
document-119694370.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-119694370.xls
Resource
win10v200722
General
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Target
document-119694370.xls
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Size
426KB
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MD5
b01f02aefdc5efc4f7c311cc889f1c85
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SHA1
4a277407474fbb741ee0bba929a4d8705c0871fc
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SHA256
233d4d684d84ec4b742fba24dd2015eca43d9738ed4f498fe4d6e779e1f0c605
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SHA512
a22a1d9efbc925cc46e1d0dc98fae06df8a953489dd9c6710033ac9d89c4140f62c1b0bae63297788501535a530384ad2e9dc9232e45a25005e4c944011b145e
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 3036 3060 DW20.EXE 65 -
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 3060 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3060 EXCEL.EXE 3060 EXCEL.EXE 1564 dwwin.exe 1564 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3060 EXCEL.EXE 3060 EXCEL.EXE 3060 EXCEL.EXE 3060 EXCEL.EXE 3060 EXCEL.EXE 3060 EXCEL.EXE 3060 EXCEL.EXE 3060 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3060 wrote to memory of 3036 3060 EXCEL.EXE 78 PID 3060 wrote to memory of 3036 3060 EXCEL.EXE 78 PID 3036 wrote to memory of 1564 3036 DW20.EXE 79 PID 3036 wrote to memory of 1564 3036 DW20.EXE 79
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-119694370.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:3060 -
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 46642⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46643⤵
- Suspicious behavior: EnumeratesProcesses
PID:1564
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