Analysis
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max time kernel
128s -
max time network
144s -
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 19:50
Behavioral task
behavioral1
Sample
345db451f1224de7deda4bd371d26c16156b8b662f3433352059c25b647a24a5.xlsm
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
345db451f1224de7deda4bd371d26c16156b8b662f3433352059c25b647a24a5.xlsm
Resource
win10v2004-20241007-en
General
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Target
345db451f1224de7deda4bd371d26c16156b8b662f3433352059c25b647a24a5.xlsm
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Size
38KB
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MD5
4777cc1e08ca802102d9a2c97bbd537c
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SHA1
d9f3f64c0e3da9d6de8773de6fc2e88ea327cd9b
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SHA256
345db451f1224de7deda4bd371d26c16156b8b662f3433352059c25b647a24a5
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SHA512
5b6f18e4cc95e5b3f99c1ab58927df95e7eedf8093ec5cdee6c66083af6594a8e79f4d3fda66b5802cf878f58d4c08b0f447a1e43c3c6d39885e92d866635edf
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SSDEEP
768:ibdpCR8kjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyYS:iwDOZZ1ZYpoQ/pMAeVIyYzaT
Malware Config
Extracted
https://pianistprodigy.com/demolms/Ax6ZgvEJJ8HEKfXrp/
https://risamfg.com/wp-admin/JtqFQW/
https://thailand-rocco.com/wp-content/gE7UvFwLh/
https://pregy.org/test/rXTl1DEv0CWCE/
https://romusreselling.xyz/wordpress/Lgv7VKTvFFuBH8uct2Eq/
https://olawyer.net/wp-includes/e8jtEIL3lFkImOvd9k/
https://tebetdanelon.com.br/wp-content/iVrceXC3knlRRl/
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 4968 4816 regsvr32.exe 82 -
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 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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4816 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4816 EXCEL.EXE 4816 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE 4816 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4816 wrote to memory of 4968 4816 EXCEL.EXE 99 PID 4816 wrote to memory of 4968 4816 EXCEL.EXE 99 PID 4816 wrote to memory of 4968 4816 EXCEL.EXE 99
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\345db451f1224de7deda4bd371d26c16156b8b662f3433352059c25b647a24a5.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:4816 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:4968
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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
Filesize3KB
MD556d0e2adfed7248215f248b92d9c00f1
SHA12580f93d62b7a81b2306ffe4463c977d1d75d3e6
SHA25639b5d424a9963a19cea2e39957db0408d27a0e334b9ba1bafabfe22b04b38d92
SHA5125a695e57325d1922a4fe20c07152322aa25b98c1ea5565dc580dcea069f2d432f8ef8ef4b5d679082ecadcc2433a0eb84a917034a19401ac273e7de93f6bbf07