Analysis
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max time kernel
128s -
max time network
141s -
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, 02:28
Behavioral task
behavioral1
Sample
972bba6120eb96ef13460ebb25d9341f49be58bb755f2d546c9c8e063483c126.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
972bba6120eb96ef13460ebb25d9341f49be58bb755f2d546c9c8e063483c126.xlsm
Resource
win10v2004-20241007-en
General
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Target
972bba6120eb96ef13460ebb25d9341f49be58bb755f2d546c9c8e063483c126.xlsm
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Size
38KB
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MD5
aa0a4ee930a9b0a56b5afe3f01a52546
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SHA1
2594a6a47d04009f829838db4fcb1e56bc6bc9f5
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SHA256
972bba6120eb96ef13460ebb25d9341f49be58bb755f2d546c9c8e063483c126
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SHA512
841ad3daba8ded504703b4530e2605f264213f4d1024d8c038779f9ff3ef5bee5a08d50a3a2ae2781139eaa980c6f486d0ea79f5abc9c14c45dec06de190bc5c
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SSDEEP
768:ybdpCR8kjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyYS:SwDOZZ1ZYpoQ/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 3636 5028 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 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 5028 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5028 EXCEL.EXE 5028 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE 5028 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5028 wrote to memory of 3636 5028 EXCEL.EXE 97 PID 5028 wrote to memory of 3636 5028 EXCEL.EXE 97 PID 5028 wrote to memory of 3636 5028 EXCEL.EXE 97
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\972bba6120eb96ef13460ebb25d9341f49be58bb755f2d546c9c8e063483c126.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:5028 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:3636
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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
Filesize2KB
MD520d0bbf1ec290550fc81094b58ad34da
SHA14cf28bbdfd55753e1319d0c85f38d73b6b5d8092
SHA256cf903b33e696f37671959590eb59c20b4e64dac4a31d2d98166b1c60592df0d6
SHA512fed6cee6610ec50fedd44f32b1af3d1fbd61b1aa614d87b13d8eb72fba558cee2bcd4434ed8a713e4364687dfd4e96f43169de371dc0426abd9a4ed0008d041c