Analysis
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max time kernel
133s -
max time network
136s -
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 23:05
Behavioral task
behavioral1
Sample
f0204f7ea7a6d14cf24061183174987189ccdcc7091c4f6b3ba5bee07e8942e1.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f0204f7ea7a6d14cf24061183174987189ccdcc7091c4f6b3ba5bee07e8942e1.xls
Resource
win10v2004-20241007-en
General
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Target
f0204f7ea7a6d14cf24061183174987189ccdcc7091c4f6b3ba5bee07e8942e1.xls
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Size
45KB
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MD5
4835f3c1d2e322723a341bba9b7a92e2
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SHA1
661508b56abc5a7886ae8f90669010ff273a620e
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SHA256
f0204f7ea7a6d14cf24061183174987189ccdcc7091c4f6b3ba5bee07e8942e1
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SHA512
85cc15bf34f6b795b9583156e5478b82bf9b43a373926f1470a4dfe4edc287c27c651adaba7c3cca587c898ae8011eedd9ce6052162a3435d27cfbdfcc81a937
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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 2956 4428 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 4428 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4428 EXCEL.EXE 4428 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE 4428 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4428 wrote to memory of 2956 4428 EXCEL.EXE 89 PID 4428 wrote to memory of 2956 4428 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\f0204f7ea7a6d14cf24061183174987189ccdcc7091c4f6b3ba5bee07e8942e1.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:4428 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe ..\xdwno.ocx2⤵
- Process spawned unexpected child process
PID:2956
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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
Filesize682B
MD517a4b910443f146f94eee122ba397150
SHA1afacd9ea754b14261732e864e7f01cb58cce2a9d
SHA256978e17fe287123ab8e6a51e71171f091c955b692f8fd0726c864bfa7e28ba7db
SHA51220cc2062498e1aa8cb8b6ea280b010ec5ed86aac24438282524c173ce098c186751e768298425f8761b0a06c8d6d87f9338cd85045ce476c4c21169fed15c9cd
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Filesize
25KB
MD58cd3c109905ddb9afe61a50b08309b04
SHA1e102c758a1df661078e4f94daa92547aeb438126
SHA256f531beb78f404dce76f46154b9a79744d3b6341f30cc42edd2b83ab69c154d20
SHA5129720ca0830540ea301f907568e6607d32766b95a08e2589f9d27c4cecaba78b044c19bfbfa755614da715a7bb7586836d8453c34f2852f5222584fb61be80b57