Analysis
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max time kernel
11s -
max time network
131s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1344955019.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1344955019.xls
Resource
win10
General
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Target
document-1344955019.xls
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Size
426KB
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MD5
1245f898418a655aa5a1676229e399de
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SHA1
34cdd3d0f593de089b993cb38522bff7829ef4e6
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SHA256
2eda78925575be4daf5a2ba90188d57fca7b378380e167c042be46af96af4684
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SHA512
a913039606882a357cd3d93e05ea9afecefcec1edaffe4835e337246e56b4f62f8086b6f23ace7ddf2237376ab4c5f5edf2782fe72035ac721f06e8f011e2302
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 1992 3588 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 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 3588 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3588 EXCEL.EXE 3588 EXCEL.EXE 2052 dwwin.exe 2052 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE 3588 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3588 wrote to memory of 1992 3588 EXCEL.EXE 77 PID 3588 wrote to memory of 1992 3588 EXCEL.EXE 77 PID 1992 wrote to memory of 2052 1992 DW20.EXE 78 PID 1992 wrote to memory of 2052 1992 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-1344955019.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:3588 -
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 44482⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44483⤵
- Suspicious behavior: EnumeratesProcesses
PID:2052
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