Analysis
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max time kernel
21s -
max time network
134s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1264536572.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1264536572.xls
Resource
win10
General
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Target
document-1264536572.xls
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Size
426KB
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MD5
dbf1454a7862aad6ae11e42cce209b88
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SHA1
b903acf5ea52f6a879932586f884e3c3e0732963
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SHA256
ae96b44c966bf16437b22a625a2bee08448dfadb7675552371b45162bbd1661f
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SHA512
d281f5f11d36bc910e18e78559024502251c5d222bf0c612f76ce51afc4a8e66a116a6a4f6e953c55d34bee9e0bf30ea3dbdd152ac74aeff037c1d06271cae97
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 2064 384 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 384 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 384 EXCEL.EXE 384 EXCEL.EXE 2128 dwwin.exe 2128 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 384 EXCEL.EXE 384 EXCEL.EXE 384 EXCEL.EXE 384 EXCEL.EXE 384 EXCEL.EXE 384 EXCEL.EXE 384 EXCEL.EXE 384 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 384 wrote to memory of 2064 384 EXCEL.EXE 76 PID 384 wrote to memory of 2064 384 EXCEL.EXE 76 PID 2064 wrote to memory of 2128 2064 DW20.EXE 77 PID 2064 wrote to memory of 2128 2064 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-1264536572.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:384 -
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 44682⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44683⤵
- Suspicious behavior: EnumeratesProcesses
PID:2128
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