Analysis
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max time kernel
133s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 00:03
Behavioral task
behavioral1
Sample
e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742.xlsm
Resource
win10v2004-20241007-en
General
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Target
e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742.xlsm
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Size
30KB
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MD5
97311b9cc97478e878fb669702eb27e7
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SHA1
aa244f5d61de51c575a7324a574a27608342665c
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SHA256
e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742
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SHA512
b97e63a72f6f53ff78df794d198c26255c764db6d30af84dc07e719c86495b4572e2396ab862f728c53de7f4e520c63775b3af45d25d8a97b2af2f3721899ce6
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SSDEEP
384:X842JZPFhNjtOA7icg0SCdiVH2KgUrNU/qWhZOdBNPJM+kqr9eCgh0k5M2E6v:QHFhNZliH2ydFfPdkqstJhE6v
Malware Config
Extracted
http://henrysfreshroast.com/6cc4ts0bkrOlXq/
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 2252 5004 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 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5004 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5004 EXCEL.EXE 5004 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE 5004 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5004 wrote to memory of 2252 5004 EXCEL.EXE 93 PID 5004 wrote to memory of 2252 5004 EXCEL.EXE 93 PID 5004 wrote to memory of 2252 5004 EXCEL.EXE 93
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\e5a5957ddd40e78877357645ebb63e9f4f7827b4e4e91b1fd79b19b073547742.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:5004 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2252
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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
Filesize1KB
MD5be76b95eb0502c62e9f53ff3fcc3887f
SHA1eff2c8e5d75eb70486d621118d8667aa0bfbf99a
SHA2568050219528e740b8ea91fd900aabdb98a0a0511e6a3497f4fca01d4c19913131
SHA512da790e9ba246b5a6efdf7977d52f8a823b790c78dfef2b1ac8c209c96c1e53afbf85c79c3989178c45ef17d44c81ac686726bb4bf643e278e832772d032087a8
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Filesize
56KB
MD5d5cbf3235a39c09c9d292dafdf0393a5
SHA1ae109e202e6f0965b47f38ee29b3725800939a9f
SHA256208d15c175407bc56c9e1d1a6e31290cf8c04fe1da742e4ad0dbe06960b7f1dd
SHA512202212aeb1cabe772e05ec7649b83be4a04b68b644a1621993e91e370dc0b9de268ea50f0dab3a74178ecb648d06b5173222d3ed1f0e31d04abeded020b079bd