Analysis
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max time kernel
188s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2022 18:51
Behavioral task
behavioral1
Sample
Device/HarddiskVolume4/Users/tim1k/AppData/Local/WebEx/WebEx64/Meetings/wbxreport.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Device/HarddiskVolume4/Users/tim1k/AppData/Local/WebEx/WebEx64/Meetings/wbxreport.exe
Resource
win10v2004-20221111-en
General
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Target
Device/HarddiskVolume4/Users/tim1k/AppData/Local/WebEx/WebEx64/Meetings/wbxreport.exe
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Size
2.5MB
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MD5
01b891763adad5caaa8b5f25da141f92
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SHA1
4586fc3c7ab0fa768fd8cd4d39c91e9fadb00735
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SHA256
4d42f0af47dfbe2cb2cd5a36e0853a2e9abef4915a41a93cc1c1cf4e80a06eda
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SHA512
82adf851965b063432788f308aec74e6c2f6a033eb90fc708956fead6ae11cc0e3cce07f0e7c86f60b87215fb322c3561272e3ae13be78939e85ef90d7729f6a
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SSDEEP
12288:a7XSDM7lMqd1JbAiw9ng9kmY+xgDTkDnit9KbjgA:a7XSQ915cqkmmTkDn0A
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
wbxreport.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" wbxreport.exe -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Executes dropped EXE 1 IoCs
Processes:
wbxreport.exepid process 2348 wbxreport.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wbxreport.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation wbxreport.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
Processes:
wbxreport.exedescription ioc process File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe wbxreport.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MICROS~2.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MIA062~1.EXE wbxreport.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE wbxreport.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MICROS~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe wbxreport.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe wbxreport.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MICROS~3.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE wbxreport.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe wbxreport.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe wbxreport.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe wbxreport.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MI9C33~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe wbxreport.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE wbxreport.exe -
Drops file in Windows directory 1 IoCs
Processes:
wbxreport.exedescription ioc process File opened for modification C:\Windows\svchost.com wbxreport.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
wbxreport.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" wbxreport.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
wbxreport.exedescription pid process target process PID 372 wrote to memory of 2348 372 wbxreport.exe wbxreport.exe PID 372 wrote to memory of 2348 372 wbxreport.exe wbxreport.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume4\Users\tim1k\AppData\Local\WebEx\WebEx64\Meetings\wbxreport.exe"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume4\Users\tim1k\AppData\Local\WebEx\WebEx64\Meetings\wbxreport.exe"1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\wbxreport.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\wbxreport.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\3582-490\wbxreport.exeFilesize
2.4MB
MD5369105461864b6428cbf5cb8e9302c99
SHA18edf0a380b5a94caefdd28b5f225788b1014d076
SHA2565b448d8cc94e0d40a0670c84a04d2e4d294421fb4eeb24d2b8f7a989002a1c89
SHA512c2a24d7ab6768f7fa06948be1c2d0a109b000a2a23d0cd3ad33fafdf9c68d60c669387bedeb5b909738e39603bad556e8c85fd689c5274c13322df22756a8fda
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C:\Users\Admin\AppData\Local\Temp\3582-490\wbxreport.exeFilesize
2.4MB
MD5369105461864b6428cbf5cb8e9302c99
SHA18edf0a380b5a94caefdd28b5f225788b1014d076
SHA2565b448d8cc94e0d40a0670c84a04d2e4d294421fb4eeb24d2b8f7a989002a1c89
SHA512c2a24d7ab6768f7fa06948be1c2d0a109b000a2a23d0cd3ad33fafdf9c68d60c669387bedeb5b909738e39603bad556e8c85fd689c5274c13322df22756a8fda
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memory/2348-132-0x0000000000000000-mapping.dmp