Analysis
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max time kernel
133s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 07:52
Behavioral task
behavioral1
Sample
b28c4a8a2670180a33ed3091036ee478575f6da36e98c9a898e43cf24b5734bf.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b28c4a8a2670180a33ed3091036ee478575f6da36e98c9a898e43cf24b5734bf.xlsm
Resource
win10v2004-20241007-en
General
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Target
b28c4a8a2670180a33ed3091036ee478575f6da36e98c9a898e43cf24b5734bf.xlsm
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Size
46KB
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MD5
055d4265cf59314f5a4df340a617fe7b
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SHA1
3345cc53112e8deb83178e463d64f4bec4c14220
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SHA256
b28c4a8a2670180a33ed3091036ee478575f6da36e98c9a898e43cf24b5734bf
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SHA512
f0798b1b16c917198b1117e304d9fd8f999bf573fec8cffd4a6d63696f7f3903ecfc1ba48018eac43139308a4c0a387cf66ea3c9877aa827a1b9004c610942e6
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SSDEEP
768:qo9DOevZCwrvtOzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VPPDks:qo9D+tT5fTR4Lh1NisFYBc3cr+UqVnDZ
Malware Config
Extracted
http://dan-bau.com/wp-includes/css/dist/h2plh7xZso/
https://advisereviews.com/wp-content/2NyZZiJ6KEzPPrbx/
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 4496 3916 regsvr32.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
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 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 3916 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3916 EXCEL.EXE 3916 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3916 wrote to memory of 4496 3916 EXCEL.EXE 90 PID 3916 wrote to memory of 4496 3916 EXCEL.EXE 90 PID 3916 wrote to memory of 4496 3916 EXCEL.EXE 90
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\b28c4a8a2670180a33ed3091036ee478575f6da36e98c9a898e43cf24b5734bf.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:3916 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\aew.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:4496
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD54e86010f8ff1c23243df0623cfd8467a
SHA1996b9503f0ee6a98e5c7362dc95c5c22836c9424
SHA2562c43537ca08d8fb07da47c41b232b90322b968367290864caf23c090e361715f
SHA5125bcb8b7c6f2ae43d31cb1b2f215fc3f366c4c40776574d125f294b928b788fcfdc4696a4212236f0dedcb90146a206098b8c27159fc20e533568d50a78395ecc
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Filesize
1KB
MD51326c16a18441423830933fbb3a6a290
SHA1d62b5f0ec9ae7a82209938c347311519b9fc1084
SHA2563bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf
SHA5122b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528