Analysis
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max time kernel
136s -
max time network
129s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
15-03-2021 08:03
Behavioral task
behavioral1
Sample
societ_2502.xlsb
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
societ_2502.xlsb
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
societ_2502.xlsb
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Size
60KB
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MD5
57e0c0017fab8f5b3ee506128e976787
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SHA1
918056491e12dcf4b3a64e7968412b88cabfc856
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SHA256
7d72b56d5655b1d1062664af0c19b7214087526f7904b8e0916a2d957b715f45
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SHA512
961210404526970ad8d6789b4911397fb726ce138c1de7a0413cc398c711a26cf87659661fc9b33e384434a2741e9c5bbc1ce41d7e2d0bf83910f1fbe7cd0c7c
Score
10/10
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 732 1908 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1908 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE 1908 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1908 wrote to memory of 732 1908 EXCEL.EXE rundll32.exe PID 1908 wrote to memory of 732 1908 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\societ_2502.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\TdxMylM\ihKrJuy\jTBEYBF.dll,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/732-7-0x0000000000000000-mapping.dmp
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memory/1908-2-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmpFilesize
64KB
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memory/1908-3-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmpFilesize
64KB
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memory/1908-4-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmpFilesize
64KB
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memory/1908-5-0x00007FFCA1EB0000-0x00007FFCA24E7000-memory.dmpFilesize
6.2MB
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memory/1908-6-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmpFilesize
64KB