Analysis
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max time kernel
133s -
max time network
142s -
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 20:23
Behavioral task
behavioral1
Sample
6b5c32f3235f756ae76cde5fa438edbafa21b53645e8923797f3572849a32b3b.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6b5c32f3235f756ae76cde5fa438edbafa21b53645e8923797f3572849a32b3b.xls
Resource
win10v2004-20241007-en
General
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Target
6b5c32f3235f756ae76cde5fa438edbafa21b53645e8923797f3572849a32b3b.xls
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Size
45KB
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MD5
2bc1f210e79e5fad4b5395da39ba6811
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SHA1
4653fb1f0c49d164b3c9da6848383ae4ab62396f
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SHA256
6b5c32f3235f756ae76cde5fa438edbafa21b53645e8923797f3572849a32b3b
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SHA512
031e545674192707a5d15fb179d7914f6cfb328800ca93ced7ca892fddfd3fb63b783093b14cdcb9163990873ba5633bb98c930051a27f87592c88527b8618e4
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SSDEEP
768:bkPKpb8rGYrMPe3q7Q0XV5xtezEs/68/dgAPVdtWgojJcFDqCRt6vuVUeJl5:bsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dh
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.
Processes:
regsvr32.exedescription pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1656 628 regsvr32.exe 83 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid Process 628 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid Process 628 EXCEL.EXE 628 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid Process 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE 628 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid Process procid_target PID 628 wrote to memory of 1656 628 EXCEL.EXE 92 PID 628 wrote to memory of 1656 628 EXCEL.EXE 92
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\6b5c32f3235f756ae76cde5fa438edbafa21b53645e8923797f3572849a32b3b.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:628 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe ..\xdwno.ocx2⤵
- Process spawned unexpected child process
PID:1656
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25KB
MD58cd3c109905ddb9afe61a50b08309b04
SHA1e102c758a1df661078e4f94daa92547aeb438126
SHA256f531beb78f404dce76f46154b9a79744d3b6341f30cc42edd2b83ab69c154d20
SHA5129720ca0830540ea301f907568e6607d32766b95a08e2589f9d27c4cecaba78b044c19bfbfa755614da715a7bb7586836d8453c34f2852f5222584fb61be80b57