Analysis
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max time kernel
175s -
max time network
198s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 09:29
Static task
static1
Behavioral task
behavioral1
Sample
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe
Resource
win10v2004-20221111-en
General
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Target
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe
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Size
276KB
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MD5
58afe77ecdf2fbe59c5108293f87b39f
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SHA1
44b7dc48c962fb4ff763015bfecc58e1bdc023c4
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SHA256
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab
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SHA512
ae6f8f8e9b57734c4fbf757ab768a7ede96d2fd610a38c3ab2bd97c746150f815711ba116c50f73121b94be75c654c46cd7998ffeb0e1d4dced089931cc39d61
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SSDEEP
3072:zr8WDrCyeUxqtyxbzHysdpXTDX8C8wQd7X1pkrmOAYym9wGgvNxlce6H:PuyDxJx3yKpXTDX8fPkbAcqDZcBH
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.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:
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exepid process 2108 a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.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:
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exedescription ioc process File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MICROS~4.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MICROS~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MICROS~2.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MI9C33~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13171~1.37\MICROS~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MIA062~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13171~1.37\MICROS~3.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe -
Drops file in Windows directory 1 IoCs
Processes:
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exedescription ioc process File opened for modification C:\Windows\svchost.com a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.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:
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exedescription pid process target process PID 4200 wrote to memory of 2108 4200 a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe PID 4200 wrote to memory of 2108 4200 a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe PID 4200 wrote to memory of 2108 4200 a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe"C:\Users\Admin\AppData\Local\Temp\a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.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
PID:4200 -
C:\Users\Admin\AppData\Local\Temp\3582-490\a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exe"2⤵
- Executes dropped EXE
PID:2108
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\3582-490\a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exeFilesize
235KB
MD5abccf86772edb7820389a20c7174b6c2
SHA183e46c36675ef9dc66d64992f0f26c0abf4c0667
SHA256961fb67ff75529e7274b9fecc275960e853ebcd33f660bf7f184681638c77059
SHA512442deb3bdbadca70f0df8b2165b1c3c560f83f4ef1ede8a412b30ad7a5de5af7fee5f8c618257b967b9967e91798ce77960a96ddfd5ca069d03dc3873e90be0d
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C:\Users\Admin\AppData\Local\Temp\3582-490\a81341e65bb9817b6bd7261bfc043b753c0863275a6c69bdd4f10123f08a5aab.exeFilesize
235KB
MD5abccf86772edb7820389a20c7174b6c2
SHA183e46c36675ef9dc66d64992f0f26c0abf4c0667
SHA256961fb67ff75529e7274b9fecc275960e853ebcd33f660bf7f184681638c77059
SHA512442deb3bdbadca70f0df8b2165b1c3c560f83f4ef1ede8a412b30ad7a5de5af7fee5f8c618257b967b9967e91798ce77960a96ddfd5ca069d03dc3873e90be0d
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memory/2108-132-0x0000000000000000-mapping.dmp
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memory/2108-135-0x0000000000470000-0x00000000004B2000-memory.dmpFilesize
264KB
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memory/2108-136-0x00000000054F0000-0x0000000005A94000-memory.dmpFilesize
5.6MB
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memory/2108-137-0x0000000004E60000-0x0000000004EF2000-memory.dmpFilesize
584KB
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memory/2108-138-0x0000000004F10000-0x0000000004F1A000-memory.dmpFilesize
40KB