Analysis
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max time kernel
188s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 02:54
Behavioral task
behavioral1
Sample
e44d3a8b0d01423006b7b62214692b896318e71ca588fc575774ebbfd7355373.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
e44d3a8b0d01423006b7b62214692b896318e71ca588fc575774ebbfd7355373.xls
Resource
win10v2004-20220812-en
General
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Target
e44d3a8b0d01423006b7b62214692b896318e71ca588fc575774ebbfd7355373.xls
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Size
93KB
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MD5
f181d0c43690b68e13c78bfd30c729a5
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SHA1
0205aad940ef3e5f35255035b59c3dd1ded9c76c
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SHA256
e44d3a8b0d01423006b7b62214692b896318e71ca588fc575774ebbfd7355373
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SHA512
488ecf4115d48218f4171e5ccd8ec9068351100142e1bbc307cf71eeea0ecaffb8ee4f20e920b237537dac7235dec1c1bafbbd89e5ee9eb5a2cdd5aeb141e435
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SSDEEP
1536:HOOOO67Dy1SN12lXbjSytC2BhYS6D8YUYh1gxv7yZmspH7+cclKiEZClsPI4uko:yh1gxv7yZmspH7+cclKisPI4ukoRWGNY
Malware Config
Signatures
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Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 212 3024 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3084 3024 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1436 3024 cmd.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\50C75E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3024 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3024 EXCEL.EXE 3024 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE 3024 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 3024 wrote to memory of 212 3024 EXCEL.EXE cmd.exe PID 3024 wrote to memory of 212 3024 EXCEL.EXE cmd.exe PID 3024 wrote to memory of 3084 3024 EXCEL.EXE cmd.exe PID 3024 wrote to memory of 3084 3024 EXCEL.EXE cmd.exe PID 3024 wrote to memory of 1436 3024 EXCEL.EXE cmd.exe PID 3024 wrote to memory of 1436 3024 EXCEL.EXE cmd.exe PID 212 wrote to memory of 3692 212 cmd.exe attrib.exe PID 212 wrote to memory of 3692 212 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
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\e44d3a8b0d01423006b7b62214692b896318e71ca588fc575774ebbfd7355373.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- 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/212-139-0x0000000000000000-mapping.dmp
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memory/1436-141-0x0000000000000000-mapping.dmp
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memory/3024-138-0x00007FFA55FB0000-0x00007FFA55FC0000-memory.dmpFilesize
64KB
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memory/3024-135-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3024-136-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3024-137-0x00007FFA55FB0000-0x00007FFA55FC0000-memory.dmpFilesize
64KB
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memory/3024-132-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3024-134-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3024-133-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3024-144-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3024-145-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3024-147-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3024-146-0x00007FFA58010000-0x00007FFA58020000-memory.dmpFilesize
64KB
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memory/3084-140-0x0000000000000000-mapping.dmp
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memory/3692-142-0x0000000000000000-mapping.dmp