Analysis
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max time kernel
75s -
max time network
139s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1298160160.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1298160160.xls
Resource
win10v200722
General
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Target
document-1298160160.xls
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Size
426KB
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MD5
0bed5f3b59552af8d350e61e621644ca
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SHA1
b2400153a1493620d71db0e63d35d4392d89289b
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SHA256
d7fe487db2fac3ada51c9e3ce93e297a3b346613571da10c71beddcf9c5e71cb
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SHA512
e0715880e10cb8ba3027b7c0aed955579c66ccf004332caf3c6010ebe2deb5ed2a2dee8b5d9c3e302b8edc42f1184db11c7e92279b7ab8494c060fa13fe1b32a
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 3652 1568 DW20.EXE 65 -
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 1568 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1568 EXCEL.EXE 1568 EXCEL.EXE 3760 dwwin.exe 3760 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE 1568 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1568 wrote to memory of 3652 1568 EXCEL.EXE 75 PID 1568 wrote to memory of 3652 1568 EXCEL.EXE 75 PID 3652 wrote to memory of 3760 3652 DW20.EXE 76 PID 3652 wrote to memory of 3760 3652 DW20.EXE 76
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-1298160160.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:1568 -
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 46282⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46283⤵
- Suspicious behavior: EnumeratesProcesses
PID:3760
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