Analysis
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max time kernel
108s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 2016 wbxreport.exe -
Loads dropped DLL 2 IoCs
Processes:
wbxreport.exepid process 1360 wbxreport.exe 1360 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\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.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\MICROS~1\Office14\VPREVIEW.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE wbxreport.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.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~2\WI54FB~1\wmplayer.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\Adobe\READER~1.0\Reader\LOGTRA~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.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~3\PACKAG~1\{57A73~1\VC_RED~1.EXE wbxreport.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE wbxreport.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.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\WI54FB~1\wmlaunch.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.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\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.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\MICROS~1\Office14\misc.exe wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.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\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE wbxreport.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE wbxreport.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE wbxreport.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~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\WINDOW~1\wab.exe wbxreport.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe wbxreport.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.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 4 IoCs
Processes:
wbxreport.exedescription pid process target process PID 1360 wrote to memory of 2016 1360 wbxreport.exe wbxreport.exe PID 1360 wrote to memory of 2016 1360 wbxreport.exe wbxreport.exe PID 1360 wrote to memory of 2016 1360 wbxreport.exe wbxreport.exe PID 1360 wrote to memory of 2016 1360 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
- Loads dropped DLL
- 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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\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXEFilesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\wbxreport.exeFilesize
2.4MB
MD5369105461864b6428cbf5cb8e9302c99
SHA18edf0a380b5a94caefdd28b5f225788b1014d076
SHA2565b448d8cc94e0d40a0670c84a04d2e4d294421fb4eeb24d2b8f7a989002a1c89
SHA512c2a24d7ab6768f7fa06948be1c2d0a109b000a2a23d0cd3ad33fafdf9c68d60c669387bedeb5b909738e39603bad556e8c85fd689c5274c13322df22756a8fda
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memory/1360-54-0x00000000756A1000-0x00000000756A3000-memory.dmpFilesize
8KB
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memory/2016-56-0x0000000000000000-mapping.dmp