Analysis
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max time kernel
135s -
max time network
134s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
14-01-2021 16:18
Behavioral task
behavioral1
Sample
ca48398300658adbe9bb2c06cea43501aa2c0d3ab14c6c838b9286008a4ceba3.xls
Resource
win7v20201028
Behavioral task
behavioral2
Sample
ca48398300658adbe9bb2c06cea43501aa2c0d3ab14c6c838b9286008a4ceba3.xls
Resource
win10v20201028
General
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Target
ca48398300658adbe9bb2c06cea43501aa2c0d3ab14c6c838b9286008a4ceba3.xls
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Size
54KB
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MD5
0b4d1a26a2030a850725000e73dc9ccf
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SHA1
42d5e27d87a7c9f70e57ead80ace0c0717df992e
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SHA256
ca48398300658adbe9bb2c06cea43501aa2c0d3ab14c6c838b9286008a4ceba3
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SHA512
39eb48131dc672b45911945c756afe4b9f81af1bc8016f9c97af0917206e0d93d1f00ac7809dfc165a09e89e0dca071830172aed28e0eb5c139c676ef7733252
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3188 4720 rundll32.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 4720 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4720 EXCEL.EXE 4720 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 4720 wrote to memory of 3188 4720 EXCEL.EXE rundll32.exe PID 4720 wrote to memory of 3188 4720 EXCEL.EXE rundll32.exe
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\ca48398300658adbe9bb2c06cea43501aa2c0d3ab14c6c838b9286008a4ceba3.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\rundll32.exerundll32 C:\IntelCompany\JIOLAS.RRTTOOKK,DllRegisterServer2⤵
- Process spawned unexpected child process