Analysis
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max time kernel
149s -
max time network
153s -
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 20:33
Behavioral task
behavioral1
Sample
caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb.xlsm
Resource
win10v2004-20241007-en
General
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Target
caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb.xlsm
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Size
38KB
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MD5
d87d0ff20ad51778106432c33a822cb8
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SHA1
89e2edf1c299ffaee0cb29b2c5b1463029d3708a
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SHA256
caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb
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SHA512
ab4167c5eaa62c8d4d92e92900aae818e78081536f3d4493acc68342d956584670cca7f5662c4e890810c85330ad95b122f467071e8aeb3a1b12d9f4cdf163d8
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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.
Processes:
regsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4612 2920 regsvr32.exe EXCEL.EXE -
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.
Processes:
regsvr32.exedescription 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.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 2920 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2920 EXCEL.EXE 2920 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE 2920 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2920 wrote to memory of 4612 2920 EXCEL.EXE regsvr32.exe PID 2920 wrote to memory of 4612 2920 EXCEL.EXE regsvr32.exe PID 2920 wrote to memory of 4612 2920 EXCEL.EXE regsvr32.exe
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\caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb.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:2920 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:4612
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