Analysis
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max time kernel
130s -
max time network
149s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1363553353.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1363553353.xls
Resource
win10v200722
General
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Target
document-1363553353.xls
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Size
426KB
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MD5
1d4e196faacd31a08969a6e452cf3fb2
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SHA1
e37946173b3ee345406f26f76f887b6408a35ea3
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SHA256
03b08e1f0da12fc44226177999dc9f804413249672dfd5c9f965345710528b12
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SHA512
e5e35573482609bfb393f7c111daa6a5dd1bd6d44ea86b2f6fca8f3dd35dcd79b20b130fffdb2307fc5cf593a525cd8156726f4bb5862c6a56cf95d75fdd169b
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 968 3956 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 3956 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3956 EXCEL.EXE 3956 EXCEL.EXE 3716 dwwin.exe 3716 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3956 wrote to memory of 968 3956 EXCEL.EXE 78 PID 3956 wrote to memory of 968 3956 EXCEL.EXE 78 PID 968 wrote to memory of 3716 968 DW20.EXE 79 PID 968 wrote to memory of 3716 968 DW20.EXE 79
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-1363553353.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:3956 -
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 47082⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47083⤵
- Suspicious behavior: EnumeratesProcesses
PID:3716
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