Analysis
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max time kernel
85s -
max time network
152s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
document-1203300213.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1203300213.xls
Resource
win10v200722
General
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Target
document-1203300213.xls
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Size
426KB
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MD5
c6b38dcab6e1b5b4b3ca556b67653dd1
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SHA1
0dce1f72d900cc49a9349947f82f2e761969ac89
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SHA256
45a5e829807c937cca390c5f3bc7445ca14cd8e8ed7a743b3f2a6e30cb08eaab
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SHA512
19766a964c4b6c9809d8888dfb2fdb0da8c164231e9ab683863a1634ae1f9527e0798df50998097b9d8ebc294b19cd94dba9adf07102c3ae986f2d2c0ae5ce78
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 2668 500 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 500 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 500 EXCEL.EXE 500 EXCEL.EXE 1900 dwwin.exe 1900 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE 500 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 500 wrote to memory of 2668 500 EXCEL.EXE 78 PID 500 wrote to memory of 2668 500 EXCEL.EXE 78 PID 2668 wrote to memory of 1900 2668 DW20.EXE 79 PID 2668 wrote to memory of 1900 2668 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-1203300213.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:500 -
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:2668 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47003⤵
- Suspicious behavior: EnumeratesProcesses
PID:1900
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