Analysis
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max time kernel
167s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 11:36
Behavioral task
behavioral1
Sample
2e1098d68eef630c634e79978eee121ba68dcaa93099b1a994995c8dfe8b066c.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
2e1098d68eef630c634e79978eee121ba68dcaa93099b1a994995c8dfe8b066c.xls
Resource
win10v2004-20220812-en
General
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Target
2e1098d68eef630c634e79978eee121ba68dcaa93099b1a994995c8dfe8b066c.xls
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Size
92KB
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MD5
1726b8c54a5679fc6278f68851aefc97
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SHA1
7389a462c9e582aed8d458cafc16c9604c694eae
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SHA256
2e1098d68eef630c634e79978eee121ba68dcaa93099b1a994995c8dfe8b066c
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SHA512
22c71f5afae5a6c7fc4a328d89f8e747c55a45e85cd04d3839c6dbc04bb281c677386c39f4b68c4b3d3e4ec4397b4295b9c733b3bf05b15a734fae62a26138b1
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SSDEEP
1536:8nlnlnlnlnfnQnOyK7Dns4nLvQEnlnjnrnqBnkcntnur+Z95gtVVkXpFl2jcc0lV:QNVSl2jcc0lbxOrujDJtXwXc
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 324 4636 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3064 4636 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 936 4636 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 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 -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\83E65E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4636 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4636 EXCEL.EXE 4636 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 4636 wrote to memory of 324 4636 EXCEL.EXE cmd.exe PID 4636 wrote to memory of 324 4636 EXCEL.EXE cmd.exe PID 4636 wrote to memory of 3064 4636 EXCEL.EXE cmd.exe PID 4636 wrote to memory of 3064 4636 EXCEL.EXE cmd.exe PID 4636 wrote to memory of 936 4636 EXCEL.EXE cmd.exe PID 4636 wrote to memory of 936 4636 EXCEL.EXE cmd.exe PID 324 wrote to memory of 3020 324 cmd.exe attrib.exe PID 324 wrote to memory of 3020 324 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\2e1098d68eef630c634e79978eee121ba68dcaa93099b1a994995c8dfe8b066c.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
Loading Replay Monitor...
Downloads
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memory/324-139-0x0000000000000000-mapping.dmp
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memory/936-141-0x0000000000000000-mapping.dmp
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memory/3020-142-0x0000000000000000-mapping.dmp
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memory/3064-140-0x0000000000000000-mapping.dmp
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memory/4636-135-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB
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memory/4636-137-0x00007FFC63830000-0x00007FFC63840000-memory.dmpFilesize
64KB
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memory/4636-138-0x00007FFC63830000-0x00007FFC63840000-memory.dmpFilesize
64KB
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memory/4636-136-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB
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memory/4636-132-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB
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memory/4636-134-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB
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memory/4636-133-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB
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memory/4636-144-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB
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memory/4636-145-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB
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memory/4636-146-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB
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memory/4636-147-0x00007FFC65890000-0x00007FFC658A0000-memory.dmpFilesize
64KB