Analysis
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max time kernel
17s -
max time network
128s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1346906567.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1346906567.xls
Resource
win10v200722
General
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Target
document-1346906567.xls
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Size
426KB
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MD5
f344be777b72d55e723604235570664a
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SHA1
150de4053ca448e7cffccb8097e0cfc54cc7c816
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SHA256
7a15218bbbaf26860ecdafd9fe17973b9f3c990bb7602325267a464e4605357b
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SHA512
e51dbaf5b636ca1ac38036c1dd5949831605e2b521401d7c62bb441a6b714201e290504bd22f50b4082df9faef48e9e9573e0c90a9533a189924ba82d291f3c3
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 3668 3076 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 3076 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3076 EXCEL.EXE 3076 EXCEL.EXE 2700 dwwin.exe 2700 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3076 EXCEL.EXE 3076 EXCEL.EXE 3076 EXCEL.EXE 3076 EXCEL.EXE 3076 EXCEL.EXE 3076 EXCEL.EXE 3076 EXCEL.EXE 3076 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3076 wrote to memory of 3668 3076 EXCEL.EXE 73 PID 3076 wrote to memory of 3668 3076 EXCEL.EXE 73 PID 3668 wrote to memory of 2700 3668 DW20.EXE 74 PID 3668 wrote to memory of 2700 3668 DW20.EXE 74
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-1346906567.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:3076 -
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 44442⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3668 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44443⤵
- Suspicious behavior: EnumeratesProcesses
PID:2700
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