Analysis
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max time kernel
133s -
max time network
145s -
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 16:57
Behavioral task
behavioral1
Sample
c6ce55de413a333cb1e4bc0b0b2706f38a6bd249a9af5b8dd8c5eafd295801d0.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c6ce55de413a333cb1e4bc0b0b2706f38a6bd249a9af5b8dd8c5eafd295801d0.xlsm
Resource
win10v2004-20241007-en
General
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Target
c6ce55de413a333cb1e4bc0b0b2706f38a6bd249a9af5b8dd8c5eafd295801d0.xlsm
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Size
38KB
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MD5
ddbe2bff711d828e4c3c21f622274052
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SHA1
6ab9a632788061bf88e10d4f26476742882b2428
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SHA256
c6ce55de413a333cb1e4bc0b0b2706f38a6bd249a9af5b8dd8c5eafd295801d0
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SHA512
c4f75d72c81bb047add2a0d185a3a79183b052e79f3eec81c9770ad139a28d1f5c0d0e6c4279d88f373be5643f952fae68747bbb4598d42454173ed91a0a07f9
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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/
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 5020 3164 regsvr32.exe 81 -
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 3164 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3164 EXCEL.EXE 3164 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3164 wrote to memory of 5020 3164 EXCEL.EXE 86 PID 3164 wrote to memory of 5020 3164 EXCEL.EXE 86 PID 3164 wrote to memory of 5020 3164 EXCEL.EXE 86
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\c6ce55de413a333cb1e4bc0b0b2706f38a6bd249a9af5b8dd8c5eafd295801d0.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:3164 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:5020
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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
MD56412ea88d3d36f2eaed9658dceaf88a0
SHA1b8742780269988f1b00262b5751b0c950845d908
SHA256c4ad272334356640d0ae3bf88b3d31aa28520ac17695e029c91a72fa5bebf3d0
SHA5129c40f26e2d4434b321494eac7e366c8d89c9b87a9f265216933d9d75e435c82f2c57ac1c31b8a0a477c85b0d26b470a4414ee56ce1af2e5773dcdc785f1230c7
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Filesize
1KB
MD51326c16a18441423830933fbb3a6a290
SHA1d62b5f0ec9ae7a82209938c347311519b9fc1084
SHA2563bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf
SHA5122b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528