Analysis
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max time kernel
128s -
max time network
151s -
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, 02:36
Behavioral task
behavioral1
Sample
acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa.xlsm
Resource
win10v2004-20241007-en
General
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Target
acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa.xlsm
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Size
38KB
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MD5
8eb9afc56f1721c58fc22ddf4791c663
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SHA1
e3b8df509a1b4c67b7c4cddf0a43bde61c657033
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SHA256
acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa
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SHA512
16715f65c78b28e24db9f083446c3ac6f52d8652140fd682772a817cc8cabedeff9f3dd002272cc1b62d36439206a54d9172eeff75de35bea366a6a861b316af
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SSDEEP
768:WbdpCR8kjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyYS:OwDOZZ1ZYpoQ/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 2300 4236 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 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 4236 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4236 EXCEL.EXE 4236 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE 4236 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4236 wrote to memory of 2300 4236 EXCEL.EXE 102 PID 4236 wrote to memory of 2300 4236 EXCEL.EXE 102 PID 4236 wrote to memory of 2300 4236 EXCEL.EXE 102
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\acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa.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:4236 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2300
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