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
20-11-2024 21:15
Behavioral task
behavioral1
Sample
ac6e3aaa1362c0d90a2f8579ece2bb2f8c3ed2cedef0a86bee2be24d1326944c.xls
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
ac6e3aaa1362c0d90a2f8579ece2bb2f8c3ed2cedef0a86bee2be24d1326944c.xls
Resource
win10v2004-20241007-en
General
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Target
ac6e3aaa1362c0d90a2f8579ece2bb2f8c3ed2cedef0a86bee2be24d1326944c.xls
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Size
45KB
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MD5
22f178981be291f958252d6cb08e2114
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SHA1
6dea36cf90c21d32bffd6c050abba896f3e87f7f
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SHA256
ac6e3aaa1362c0d90a2f8579ece2bb2f8c3ed2cedef0a86bee2be24d1326944c
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SHA512
e7b4ca1570ae8021b0d2957328ca3969c81127200daa0b69ff6d58e7f8ead5bacd38672bcbf7fb635bc3857660a754016864af9d1c2ea4f58b76e76ef4f12822
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SSDEEP
768:bkPKpb8rGYrMPe3q7Q0XV5xtezEs/68/dgAPVdtWgojJcFDqCRt6vuVUeJlZ:bsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dB
Malware Config
Extracted
https://fpd.cl/cgi-bin/83E0xgTMc/
https://el-energiaki.gr/wp-content/plugins/really-simple-ssl/testssl/serverport443/WUV5PJA/
https://www.manchesterslt.co.uk/a-to-z-of-slt/Ntrci3Ry/
http://contactworks.nl/layouts/fFxKZabh/
http://baykusoglu.com.tr/wp-admin/Y3sRBcOfZ34wg2sO/
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 4884 4692 regsvr32.exe 81 -
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 4692 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4692 EXCEL.EXE 4692 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE 4692 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4692 wrote to memory of 4884 4692 EXCEL.EXE 89 PID 4692 wrote to memory of 4884 4692 EXCEL.EXE 89
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\ac6e3aaa1362c0d90a2f8579ece2bb2f8c3ed2cedef0a86bee2be24d1326944c.xls"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:4692 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe ..\xdwno.ocx2⤵
- Process spawned unexpected child process
PID:4884
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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
MD5c4a9cccd77d78e7d68fb85074b51b3a1
SHA14707369b0adf1c7dd645509556fc55cd03470d8a
SHA256447938066fba522669cfef6028636508372576d6b6c426710999b7f57972f902
SHA512a48be713e7767d539c607ea58a4446c941a9220930267764cafaf7591e8dd4f7a38cc87620b1d656b7c03c4da62842eafddc17019cdc28ec3c6f00dcc259873b
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Filesize
25KB
MD58cd3c109905ddb9afe61a50b08309b04
SHA1e102c758a1df661078e4f94daa92547aeb438126
SHA256f531beb78f404dce76f46154b9a79744d3b6341f30cc42edd2b83ab69c154d20
SHA5129720ca0830540ea301f907568e6607d32766b95a08e2589f9d27c4cecaba78b044c19bfbfa755614da715a7bb7586836d8453c34f2852f5222584fb61be80b57