Analysis
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max time kernel
16s -
max time network
137s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1372208005.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1372208005.xls
Resource
win10
General
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Target
document-1372208005.xls
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Size
426KB
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MD5
aa3210418e29caa683daf42949527306
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SHA1
947a5ceb44335ce03a32f27450bedf071ab0736e
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SHA256
e92c230bb249bf1b77eff4740e7e6af097b23a3400f9a4f994f02f9ac48722e5
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SHA512
84fa13c45298dfc91da01fd21497b87a46c65317813129c4ec51b00c251d10b1347831e78dc929f509144e30660a4a8b66fdae56092c67ec05c36363ee254d03
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 2380 3832 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 3832 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3832 EXCEL.EXE 3832 EXCEL.EXE 2692 dwwin.exe 2692 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3832 wrote to memory of 2380 3832 EXCEL.EXE 76 PID 3832 wrote to memory of 2380 3832 EXCEL.EXE 76 PID 2380 wrote to memory of 2692 2380 DW20.EXE 77 PID 2380 wrote to memory of 2692 2380 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-1372208005.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:3832 -
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 45082⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 45083⤵
- Suspicious behavior: EnumeratesProcesses
PID:2692
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