Analysis
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max time kernel
140s -
max time network
145s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-107684559.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-107684559.xls
Resource
win10
General
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Target
document-107684559.xls
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Size
426KB
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MD5
53ef85c0999d66fbf74923e4ef35115e
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SHA1
96d1d0809667ad46c6d4624c1433aa1c95b9c6c9
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SHA256
7d4535190100ceecfb7fa045346f1b1c92b861ec52bcacbd6ddab4c0290321c2
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SHA512
fb5370819eb5c94b0c685f290682594d37995cc0064e636783d06c03d4b81dee3892c40d5f02027218d2a62db9df9eb2546865e9f9a11b6a216625820acf623b
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 2080 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 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 720 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 720 EXCEL.EXE 720 EXCEL.EXE 2588 dwwin.exe 2588 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 2080 720 EXCEL.EXE 76 PID 720 wrote to memory of 2080 720 EXCEL.EXE 76 PID 2080 wrote to memory of 2588 2080 DW20.EXE 77 PID 2080 wrote to memory of 2588 2080 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-107684559.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 42682⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 42683⤵
- Suspicious behavior: EnumeratesProcesses
PID:2588
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