Analysis
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max time kernel
148s -
max time network
152s -
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, 05:26
Behavioral task
behavioral1
Sample
2d7fa75417ad7d40597b333e3bf938cd52996b2a9dbb22823ad7b09c8aa47356.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2d7fa75417ad7d40597b333e3bf938cd52996b2a9dbb22823ad7b09c8aa47356.xlsm
Resource
win10v2004-20241007-en
General
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Target
2d7fa75417ad7d40597b333e3bf938cd52996b2a9dbb22823ad7b09c8aa47356.xlsm
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Size
40KB
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MD5
4e031bdf6bc200b5c024b0e70a49c0ab
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SHA1
7a08fe46774ae75bc5b28fd72a991cedd1ddac88
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SHA256
2d7fa75417ad7d40597b333e3bf938cd52996b2a9dbb22823ad7b09c8aa47356
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SHA512
c94921a6d7c94f87e432066cca67e1ff93de77acc280ca238bd8b95d59c8c82f82190b27bdaee3ed0b19390dc6615b0b65e20843884c92efe200cf0727b03875
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SSDEEP
768:CknyGomihd8DOevZCwtCyKfcrND59V+L9Rw4eWrXcTqZ0Vfs3GTE:6Gom8eDmylND59V4jwmXc2CVfs37
Malware Config
Extracted
https://wellnessonus.com/wp-admin/OFq5F8Y/
http://choicepestcontrol.xyz/wellknown/PERKnM4X/
https://sse-studio.com/cq0xhpj/6pmmsaPCOGtG6/
http://velasaromaticasonline.com/wp-admin/5Id5LqSb3O3BUM5Z/
https://alonsoconsultancyservice.com/wp-content/0r7tMAnLfwKu0gvcH/
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 756 4856 regsvr32.exe 84 -
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 4856 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4856 EXCEL.EXE 4856 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE 4856 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4856 wrote to memory of 756 4856 EXCEL.EXE 91 PID 4856 wrote to memory of 756 4856 EXCEL.EXE 91 PID 4856 wrote to memory of 756 4856 EXCEL.EXE 91
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\2d7fa75417ad7d40597b333e3bf938cd52996b2a9dbb22823ad7b09c8aa47356.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:4856 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\dan.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:756
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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
MD50401960f26179a3ede67b5cb9d4ec83b
SHA1bdfddce0e51f7df2f60b79dbdb494a3f1ec64d2d
SHA2568b76da4a670046e1433e563e9dada8cfc9cc74aa05b0dc0bcf47aade719c0f25
SHA5126ea8c942dd68b769564f00f2cc0d1e359f68ac7f65aef085382a1c2ba2594c599234c7584a6b0c558546533a667f77ba1d8c1fa93add9e03aae2a6cfe62c031b
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Filesize
2KB
MD517e9bd8c6f6f618d6e982be41808b10a
SHA14527d899e97dc1b50f0a390ce6cba387d5a04704
SHA25655e76063c4b61835df28d197c8600de3181c21f65b17a8f078d1c77496a81109
SHA512f855ba0ef307e581ca60016137d523fd7fc565f1fc82e213820ccf253e36d616544f3f97bcaa9f9731a601b7cfe824895ee39751b6f802c0e03b0c285c45359b