Analysis
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max time kernel
148s -
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 18:34
Behavioral task
behavioral1
Sample
c8b3cf4b2dea0ccbcf1196abe6daf1f442e76e2eef8d7b58890f4fe876832c95.xlsm
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c8b3cf4b2dea0ccbcf1196abe6daf1f442e76e2eef8d7b58890f4fe876832c95.xlsm
Resource
win10v2004-20241007-en
General
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Target
c8b3cf4b2dea0ccbcf1196abe6daf1f442e76e2eef8d7b58890f4fe876832c95.xlsm
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Size
45KB
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MD5
aa0b44393caf0bf1d22aa2d93ce6a43a
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SHA1
90b56e653e23c18f003b276983fac82eaf7aa410
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SHA256
c8b3cf4b2dea0ccbcf1196abe6daf1f442e76e2eef8d7b58890f4fe876832c95
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SHA512
0f90b798548b0d4912e5a90e26070826ec9715be579dcc7392826be8be0ce7277de73ab2d7ec70f0d950cae3be924bd8711a76d4d4278b0392aac1634e050900
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SSDEEP
768:wBXcCsqi1O3bQkzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+U60Us:wBXcC5iybdtT5fTR4Lh1NisFYBc3cr+A
Malware Config
Extracted
http://sorathlions.com/tmp/FlTSgo/
http://www.ajaxmatters.com/c7g8t/vkw42Xr0hItVeGsaO9D/
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 1052 228 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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 228 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 228 EXCEL.EXE 228 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE 228 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 228 wrote to memory of 1052 228 EXCEL.EXE 87 PID 228 wrote to memory of 1052 228 EXCEL.EXE 87 PID 228 wrote to memory of 1052 228 EXCEL.EXE 87
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\c8b3cf4b2dea0ccbcf1196abe6daf1f442e76e2eef8d7b58890f4fe876832c95.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:228 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\xda.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:1052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize2KB
MD5ff986fa2fc2c2dccbd1f8cb89c742527
SHA172a642729d2880faaf4ec55fc4403ae56293ce75
SHA256099f9228e876f7ba0ee5326bcc9d02073500c3118a6d6a1d3f4caac8317db555
SHA5123f22199761c22245a6f629c298a2640619d01845dc671bfd2a107329e824184f3f33d815874d02213f3a238f799f781556eec907ca2bf0fa6678f8c2f40ad0a3
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Filesize
23KB
MD54ed8ca5542b641fddd200acebadf4e3c
SHA141fd7fb6cb84805fbc229cbf13620f80a5008003
SHA2563f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33
SHA512866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a