Analysis
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max time kernel
162s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
05-02-2022 03:48
Static task
static1
Behavioral task
behavioral1
Sample
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe
Resource
win10v2004-en-20220112
General
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Target
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe
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Size
1.8MB
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MD5
1c7859cfe4b4787eb93bc72f0504251c
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SHA1
751c2f05ac454fbee88bd8a735768875890e7c14
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SHA256
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11
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SHA512
d7772bc31abbf4f7c5c055a0ac64c4374b5ddaee81c78657e323dd2a24a7c541da226adb91458bc7241f534a31cf0bfe77950ad562fbd45a192f0751bc5bea7c
Malware Config
Signatures
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Detect Neshta Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/240-130-0x0000000000400000-0x0000000000779000-memory.dmp family_neshta -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.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:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.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:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Wine d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.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:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exepid process 240 d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe -
Drops file in Program Files directory 64 IoCs
Processes:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exedescription ioc process File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MI9C33~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~3.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13153~1.55\MICROS~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~4.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~2.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MIA062~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe -
Drops file in Windows directory 2 IoCs
Processes:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exesvchost.exedescription ioc process File opened for modification C:\Windows\svchost.com d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.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:
WaaSMedicAgent.exesvchost.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\DownloadMonthlyCacheHostBytes = "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\UplinkBps = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" 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\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\UploadMonthlyLanBytes = "0" svchost.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\CDNConnectionCount = "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\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe 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\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.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\SwarmCount = "1" 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\FrDownloadRatePct = "90" svchost.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\DownloadMonthlyCdnBytes = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000155" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132886829789715795" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.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\DownlinkBps = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe -
Modifies registry class 1 IoCs
Processes:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exepid process 240 d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe 240 d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.exe"C:\Users\Admin\AppData\Local\Temp\d61d30af558b7db5ed1aaf5716a5756a14b63a2d42d941add259199d99f72b11.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:240
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3244
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe f3fdac29b00c199d4ae065282942e92c lb+nWg2G9E+DX8Cex7Iv0g.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:384
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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:2488
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/240-130-0x0000000000400000-0x0000000000779000-memory.dmpFilesize
3.5MB
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memory/240-131-0x0000000002A20000-0x0000000002A21000-memory.dmpFilesize
4KB
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memory/240-132-0x0000000002A10000-0x0000000002A12000-memory.dmpFilesize
8KB
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memory/240-133-0x0000000002A00000-0x0000000002A01000-memory.dmpFilesize
4KB
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memory/240-134-0x0000000002A40000-0x0000000002A41000-memory.dmpFilesize
4KB
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memory/240-135-0x0000000002A50000-0x0000000002A51000-memory.dmpFilesize
4KB
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memory/240-136-0x0000000002A30000-0x0000000002A31000-memory.dmpFilesize
4KB
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memory/240-137-0x0000000002A70000-0x0000000002A71000-memory.dmpFilesize
4KB
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memory/240-138-0x0000000002A60000-0x0000000002A61000-memory.dmpFilesize
4KB