Analysis
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max time kernel
75s -
max time network
150s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1091013542.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1091013542.xls
Resource
win10v200722
General
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Target
document-1091013542.xls
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Size
426KB
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MD5
3f6e44c3ad299be56743cd5a55a7f1c6
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SHA1
076082ad0d6b7afd30097920157d0267f762555d
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SHA256
7eaf07b18ce0df5fc15a67cbbfe671863bcaa723c33e8a5c5e1623cf8ee1cc22
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SHA512
be7afe7378063d0f012e4bd29fe574de4d4dc7869a490cc737d9d80dcefc757ee03f995da75b7c188e737a90ef48257c5f06ac6a26a2d68946c5e138ef049fc7
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 1536 408 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\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 408 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 408 EXCEL.EXE 408 EXCEL.EXE 3700 dwwin.exe 3700 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE 408 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 408 wrote to memory of 1536 408 EXCEL.EXE 79 PID 408 wrote to memory of 1536 408 EXCEL.EXE 79 PID 1536 wrote to memory of 3700 1536 DW20.EXE 80 PID 1536 wrote to memory of 3700 1536 DW20.EXE 80
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-1091013542.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:408 -
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 47562⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47563⤵
- Suspicious behavior: EnumeratesProcesses
PID:3700
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