Analysis
- max time kernel
117s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
15/04/2022, 07:04
Static task
static1
Behavioral task
behavioral1
Sample
PO.xll
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PO.xll
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target PO.xll
- Size 553KB
- Sample220415-hvyglsdfd4
- SHA256 4b5eebde0aa09436d3044994b7697a5648a347b87fa4cbc89492ae2e0158160d
- MD5 72a60a66cc08bdf99868bc907404ebfa
- SHA1 2fcbd84319a7aa473fa8804daa3f0264b258cc58
- SHA512 15d6ed5283daaeca93093922c095fbd9957a6ae313a0e6d7750719fd0d941988108e68cafabca6835236a51f613d57f0b1ca8c46d708adc6829714bbe82e9726
- MD5 SHA1 SHA512
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 2 IoCs
pid Process 3576 EXCEL.EXE 3576 EXCEL.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 3576 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\PO.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3576
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\PO.xll
- Size 553KB
- SHA256 4b5eebde0aa09436d3044994b7697a5648a347b87fa4cbc89492ae2e0158160d
- MD5 72a60a66cc08bdf99868bc907404ebfa
- SHA1 2fcbd84319a7aa473fa8804daa3f0264b258cc58
- SHA512 15d6ed5283daaeca93093922c095fbd9957a6ae313a0e6d7750719fd0d941988108e68cafabca6835236a51f613d57f0b1ca8c46d708adc6829714bbe82e9726
- SSDEEP 12288:Vn/zDvGHAykHSzLW/4+8bzbBSreMJEPMgFK/UqW:ZzbGHAzHAjX1ucL
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\PO.xll
- Size 148KB
- SHA256 be7887894df963dc26aecbeea20b21adb5a0a081be63af24d095f2a45822e38f
- MD5 a65d07f10bc9afdefed875140c2036be
- SHA1 fc0cb976c052037c1bda9bc01cfd03d845275b78
- SHA512 56ec001cee5d282356d9989ad0d2e17fa8b8afea50a93e121d1907a8273693797ec97302712d241ff30c7ddbf7223e38c87c17b1f5803e1709868d623f26ba89
- SSDEEP 3072:MCnxZRKkFtQZ2nFjkGdVpDl/NqIGAxPRsIc/8d8MLsTFHONHwKB:VnJKk12GdVp9vGMG1WCTVOhw6
- MD5 SHA1 SHA512 SSDEEP