Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2024, 17:59
Behavioral task
behavioral1
Sample
e9ad83b700882f81226bc504ba5d5fa4666d8b159f69f2d3e6de9ff7a9babd2a.xlsm
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e9ad83b700882f81226bc504ba5d5fa4666d8b159f69f2d3e6de9ff7a9babd2a.xlsm
Resource
win10v2004-20231215-en
General
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Target
e9ad83b700882f81226bc504ba5d5fa4666d8b159f69f2d3e6de9ff7a9babd2a.xlsm
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Size
7.6MB
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MD5
925775b2ba7ae7c69efee7abc2a8cfef
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SHA1
028bb712778ae4cb4b554e94f44ec795890a0fc0
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SHA256
e9ad83b700882f81226bc504ba5d5fa4666d8b159f69f2d3e6de9ff7a9babd2a
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SHA512
2e771f95703e5d72edae72aca169005bd3bbb76124495fd84e1ed4cc6f6d4d70e8caa3fe1901718b6588d03eef3d7bddaaedcc3e9d5f7c644cafca04eb1f13e3
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SSDEEP
98304:y5xvGDLnQy2vXIXMMMMx3xxXMMMMx5MMMM7WU+HMMMM6XM8:yj82E3xxFIU+eXM8
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.
description 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
description 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
pid Process 1536 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1536 EXCEL.EXE 1536 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1536 wrote to memory of 4852 1536 EXCEL.EXE 88 PID 1536 wrote to memory of 4852 1536 EXCEL.EXE 88
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\e9ad83b700882f81226bc504ba5d5fa4666d8b159f69f2d3e6de9ff7a9babd2a.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4852
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1180