Analysis
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max time kernel
133s -
max time network
144s -
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 22:50
Behavioral task
behavioral1
Sample
c8e18f4eb2ca9bb8c6a1e6c59eb6fd57c752e93c87efe4fe4e974963cc20f8da.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c8e18f4eb2ca9bb8c6a1e6c59eb6fd57c752e93c87efe4fe4e974963cc20f8da.xlsm
Resource
win10v2004-20241007-en
General
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Target
c8e18f4eb2ca9bb8c6a1e6c59eb6fd57c752e93c87efe4fe4e974963cc20f8da.xlsm
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Size
21KB
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MD5
05b93aed69dfea0b593ee4c21505f757
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SHA1
44f397a0a48da8159cd8c89fe88e2819e83759ca
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SHA256
c8e18f4eb2ca9bb8c6a1e6c59eb6fd57c752e93c87efe4fe4e974963cc20f8da
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SHA512
e1f17a6f29fd28ec3dfe2c33aab50f4c66f7301c30bc743af3632fd72e2f35b057b7a1431a8f98e0008654ac20d854c3534d9c77e6efcfea59d441f90b567483
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SSDEEP
384:Y8c5hAuAi/NjxhS8EibbwBlwcSYrLb5CzgObff9kC+xbX7T/1SeyB:YPksNPzXSFCBn9kC+xbLTc9
Malware Config
Extracted
http://astroadvicebaba.com/assets/jYlBTPcWJTsTtamDfX/
https://physioacademy.co.uk/conditions/8I3WSx5t2k/
http://orchidbg.com/aeeiludqootr/OcnjiLHL/
https://westthamesphysio.com/blog/3tsZIz09Sox1Z/
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 2380 3420 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 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 3420 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3420 EXCEL.EXE 3420 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE 3420 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3420 wrote to memory of 2380 3420 EXCEL.EXE 86 PID 3420 wrote to memory of 2380 3420 EXCEL.EXE 86 PID 3420 wrote to memory of 2380 3420 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\c8e18f4eb2ca9bb8c6a1e6c59eb6fd57c752e93c87efe4fe4e974963cc20f8da.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:3420 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2380
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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
Filesize1KB
MD55b4be331604370e0ff64d9f334167f72
SHA1b8e8026524685ba8d02967f1249f35f0d6eb79c7
SHA2564a39c8da67724319327840fb50262388ca6128b7fb8707593a5150a5c06906a6
SHA512548feb5e8bb1d6ced12abc3cff562dd21b2ddd11c294c836932e5ea91e9822d4a1bb7359a057dfdefb4d9b7ce10b0959fbf680145ea93b214e5c8ad6fb37bb09
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Filesize
966B
MD51a8978d9d37041fe0089728cd6c23233
SHA1f0485019f25ee50bb77f23081a8964e28e56cfb2
SHA25687a97454942b85b5afc9cb9733bb7ce96cdf3422f6bfc95823f8edf6b2e2c607
SHA5129ea43ede1eab73d3ac65bc3e9c13836c51d768daf5e300a0f57a26c0ca9cb2655455e5731664a92c969520dc05f7c71292d6a947405e06c2b1f88a399cd8d42b