Analysis
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max time kernel
46s -
max time network
35s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 03:46
Behavioral task
behavioral1
Sample
0f8c21a07bda2c72b46dcba3a2b48f1f4ff970e26c036055093c4d26fb1d0fe0.xls
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
0f8c21a07bda2c72b46dcba3a2b48f1f4ff970e26c036055093c4d26fb1d0fe0.xls
Resource
win10v2004-20240508-en
General
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Target
0f8c21a07bda2c72b46dcba3a2b48f1f4ff970e26c036055093c4d26fb1d0fe0.xls
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Size
69KB
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MD5
b781044d9ee903d90ad7cae316db953f
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SHA1
0fbcfc58ba608cf6f3ef3d3b44f0262343917041
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SHA256
0f8c21a07bda2c72b46dcba3a2b48f1f4ff970e26c036055093c4d26fb1d0fe0
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SHA512
016b7cecaf2f47d2b9c04d1682712264fbf7078d03262029737d9cc0cf5ea8c283a8e6e51858c1b96a82bdcdf18993f5853def9e83cf3383bae421de20b12c9e
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SSDEEP
1536:rRk3hOdsylKlgryzc4bNhZFGzE+cL/gE07YJuj1iCiNzZTL8Gtsx:rRk3hOdsylKlgryzc4bNhZFGzE+cL/gt
Malware Config
Signatures
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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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3452 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE 3452 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 3452 wrote to memory of 2244 3452 EXCEL.EXE splwow64.exe PID 3452 wrote to memory of 2244 3452 EXCEL.EXE splwow64.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\0f8c21a07bda2c72b46dcba3a2b48f1f4ff970e26c036055093c4d26fb1d0fe0.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2244
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4676