Analysis
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max time kernel
78s -
max time network
150s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1095161031.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1095161031.xls
Resource
win10v200722
General
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Target
document-1095161031.xls
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Size
426KB
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MD5
299fbde1c8a8a01d79d13cfc3fedc8f3
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SHA1
e9c2e50e06a9e263fe476ffa4c078fa620554b27
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SHA256
8145499c264c4e1ca7d15ef5047884d18f1b74415cd9fe4544bfaffe1e9a2a4d
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SHA512
34b4af46a79068e791d7eeace62c9215b0e0702d132324dae2168dc3372482e6bf1bf7de2e0345f4a475d798f5ba676b2ed3d461fb3c4b5f90a969ab7d7097c8
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 3604 3900 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 3900 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3900 EXCEL.EXE 3900 EXCEL.EXE 3032 dwwin.exe 3032 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3900 wrote to memory of 3604 3900 EXCEL.EXE 77 PID 3900 wrote to memory of 3604 3900 EXCEL.EXE 77 PID 3604 wrote to memory of 3032 3604 DW20.EXE 78 PID 3604 wrote to memory of 3032 3604 DW20.EXE 78
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-1095161031.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:3900 -
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 46482⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46483⤵
- Suspicious behavior: EnumeratesProcesses
PID:3032
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