Analysis
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max time kernel
133s -
max time network
146s -
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, 13:58
Behavioral task
behavioral1
Sample
2c9e79592a5ed910e8a577138fe9d4e359de2e478371678a23129a31fcef7278.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2c9e79592a5ed910e8a577138fe9d4e359de2e478371678a23129a31fcef7278.xlsm
Resource
win10v2004-20241007-en
General
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Target
2c9e79592a5ed910e8a577138fe9d4e359de2e478371678a23129a31fcef7278.xlsm
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Size
40KB
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MD5
9ed27e00a902ec2d6f78af13235eba21
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SHA1
bd369b9f3a4cd5475da89d40ffe6d3a327806741
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SHA256
2c9e79592a5ed910e8a577138fe9d4e359de2e478371678a23129a31fcef7278
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SHA512
264fe3526f708fd542031a036930a40568f22520bb7c0445b3526ad4db75b3470c50350a4d2cd574836a70608d11118ff5581ebdc40cf0092677ccbb935664b2
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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 2588 3128 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 3128 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3128 EXCEL.EXE 3128 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE 3128 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3128 wrote to memory of 2588 3128 EXCEL.EXE 88 PID 3128 wrote to memory of 2588 3128 EXCEL.EXE 88 PID 3128 wrote to memory of 2588 3128 EXCEL.EXE 88
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\2c9e79592a5ed910e8a577138fe9d4e359de2e478371678a23129a31fcef7278.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:3128 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\dan.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2588
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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
MD59eabd813ec6b4a22b3886b9998b69928
SHA1becd8cbedb6cd95bb63343d6cae0b2f74a7463f6
SHA2565169232095ead6f99e26c3d30d81e0da761d1ed58e4730c7687d0c4cbe123b45
SHA512b5b729fd26592955216783e47ba5bfc5f33721286243df23fbbf47a9ce627b1701de5bf0a21c2a601b0494b1f5c75f54c06b508299f5026d144df14c3402b1e2
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Filesize
2KB
MD517e9bd8c6f6f618d6e982be41808b10a
SHA14527d899e97dc1b50f0a390ce6cba387d5a04704
SHA25655e76063c4b61835df28d197c8600de3181c21f65b17a8f078d1c77496a81109
SHA512f855ba0ef307e581ca60016137d523fd7fc565f1fc82e213820ccf253e36d616544f3f97bcaa9f9731a601b7cfe824895ee39751b6f802c0e03b0c285c45359b