Analysis
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max time kernel
101s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 12:44
Behavioral task
behavioral1
Sample
c9e02a13c751feb90b7a4e74a4cb0e80e27a3a6d15e73721e330d0334935c00f.xls
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
c9e02a13c751feb90b7a4e74a4cb0e80e27a3a6d15e73721e330d0334935c00f.xls
Resource
win10v2004-20220901-en
General
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Target
c9e02a13c751feb90b7a4e74a4cb0e80e27a3a6d15e73721e330d0334935c00f.xls
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Size
89KB
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MD5
4377bcc4db1987bd7d62b4d53f4ac549
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SHA1
9436997f7d278b4095b61128efc48d4476b5e6a1
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SHA256
c9e02a13c751feb90b7a4e74a4cb0e80e27a3a6d15e73721e330d0334935c00f
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SHA512
7a627322f21b2f8fdc831992be7fb5c0d07b683b3fd70d0176e7e8357810e0a2d2d6aa5866900c481f0a48d6db3ce29afe8a79aabbf7263d2fcaa20d8ad9c019
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SSDEEP
1536:TeeeqeLz2lXbjSytC2BhYS6D8sAXwMX1gxv7yZmspH7+cclKiEZClsPI4ukoRWGB:dX1gxv7yZmspH7+cclKisPI4ukoRWGND
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 2176 3404 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3900 3404 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3768 3404 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\E3F65E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3404 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE 3404 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 3404 wrote to memory of 2176 3404 EXCEL.EXE cmd.exe PID 3404 wrote to memory of 2176 3404 EXCEL.EXE cmd.exe PID 3404 wrote to memory of 3900 3404 EXCEL.EXE cmd.exe PID 3404 wrote to memory of 3900 3404 EXCEL.EXE cmd.exe PID 3404 wrote to memory of 3768 3404 EXCEL.EXE cmd.exe PID 3404 wrote to memory of 3768 3404 EXCEL.EXE cmd.exe PID 2176 wrote to memory of 2516 2176 cmd.exe attrib.exe PID 2176 wrote to memory of 2516 2176 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\c9e02a13c751feb90b7a4e74a4cb0e80e27a3a6d15e73721e330d0334935c00f.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- 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/2176-139-0x0000000000000000-mapping.dmp
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memory/2516-142-0x0000000000000000-mapping.dmp
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memory/3404-138-0x00007FF8D50A0000-0x00007FF8D50B0000-memory.dmpFilesize
64KB
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memory/3404-135-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3404-136-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3404-137-0x00007FF8D50A0000-0x00007FF8D50B0000-memory.dmpFilesize
64KB
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memory/3404-132-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3404-134-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3404-133-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3404-145-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3404-144-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3404-146-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3404-147-0x00007FF8D78D0000-0x00007FF8D78E0000-memory.dmpFilesize
64KB
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memory/3768-141-0x0000000000000000-mapping.dmp
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memory/3900-140-0x0000000000000000-mapping.dmp