Analysis
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max time kernel
145s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
05-02-2022 04:51
Static task
static1
Behavioral task
behavioral1
Sample
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe
Resource
win10v2004-en-20220112
General
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Target
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe
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Size
1.8MB
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MD5
b0f478fe69ea41ebd85f950b5fd69ac0
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SHA1
cf7176cd33307da64ed034a26324beef6974f498
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SHA256
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392
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SHA512
10a2cc3bd887008935576229d9cd3348b42f53ba87e99e05ce1397a00d91ea81370be8167e25b676aa2aa12dfb0c636e0a951bc3e2a1e110cd68bb63962a6097
Malware Config
Signatures
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Detect Neshta Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3476-131-0x0000000000400000-0x0000000000759000-memory.dmp family_neshta -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.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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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Sets service image path in registry 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Wine 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.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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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exepid process 3476 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe -
Drops file in Program Files directory 64 IoCs
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exedescription ioc process File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MIA062~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~2.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~3.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MI9C33~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MI391D~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe -
Drops file in Windows directory 2 IoCs
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exesvchost.exedescription ioc process File opened for modification C:\Windows\svchost.com 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
svchost.exeWaaSMedicAgent.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3956" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132886867338042755" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe -
Modifies registry class 1 IoCs
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exepid process 3476 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe 3476 5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe"C:\Users\Admin\AppData\Local\Temp\5cedd6e36c3bffb72914dc516521b82688e10de9dd380e4147c7dbd884e22392.exe"1⤵
- Modifies system executable filetype association
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3476
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:872
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 066b114171cd0752c17cce4754f71627 Z52hAriCBUqv4jiPrq2zRA.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:3504
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2216
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3476-131-0x0000000000400000-0x0000000000759000-memory.dmpFilesize
3.3MB
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memory/3476-132-0x0000000004810000-0x0000000004811000-memory.dmpFilesize
4KB
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memory/3476-134-0x00000000047F0000-0x00000000047F1000-memory.dmpFilesize
4KB
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memory/3476-133-0x0000000004800000-0x0000000004802000-memory.dmpFilesize
8KB
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memory/3476-135-0x0000000004830000-0x0000000004831000-memory.dmpFilesize
4KB
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memory/3476-136-0x0000000004820000-0x0000000004821000-memory.dmpFilesize
4KB
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memory/3476-137-0x0000000004840000-0x0000000004841000-memory.dmpFilesize
4KB
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memory/3476-138-0x0000000004860000-0x0000000004861000-memory.dmpFilesize
4KB
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memory/3476-139-0x0000000004850000-0x0000000004851000-memory.dmpFilesize
4KB