Resubmissions
07-05-2024 19:29
240507-x7rbdsed93 907-05-2024 18:20
240507-wyy47she2x 907-05-2024 17:15
240507-vs3prsac54 907-05-2024 08:54
240507-ktxvsshc9s 9Analysis
-
max time kernel
149s -
max time network
145s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
07-05-2024 19:29
Behavioral task
behavioral1
Sample
ByteVault.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
ByteVault.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
ByteVault.exe
Resource
win11-20240419-en
General
-
Target
ByteVault.exe
-
Size
9.8MB
-
MD5
25a7375d3a6597707493a0841e878bce
-
SHA1
173a8e00b00d84830e06b1f3d63988fe895fa001
-
SHA256
7f65b5d7be7a9e563e1b577ff1d95c891b16fa9871dc748c7640e6589e6902db
-
SHA512
110518ee80839dcf0e826bfdb41c16591deac371865b3635ef08b005a823e53c296d9de0be9eeba3d6e1c5413905f4d4d8ef175748c2c6e48801b9149668cee9
-
SSDEEP
196608:fhfefIk7AHkPkRJW9GNZA1HeT39IigaeE9TFa0Z8DOjCdylwo1nz8QW7tx:0QFG8S1+TtIiEY9Z8D8CclPdoPx
Malware Config
Signatures
-
Renames multiple (113) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4588 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Control Panel\International\Geo\Nation ByteVault.exe -
Loads dropped DLL 10 IoCs
pid Process 3596 ByteVault.exe 3596 ByteVault.exe 3596 ByteVault.exe 3596 ByteVault.exe 3596 ByteVault.exe 3596 ByteVault.exe 3596 ByteVault.exe 3596 ByteVault.exe 3596 ByteVault.exe 3596 ByteVault.exe -
Drops desktop.ini file(s) 8 IoCs
description ioc Process File opened for modification C:\Users\Admin\Music\desktop.ini ByteVault.exe File opened for modification C:\Users\Admin\Videos\desktop.ini ByteVault.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini ByteVault.exe File opened for modification C:\Users\Admin\Documents\desktop.ini ByteVault.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini ByteVault.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini ByteVault.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini ByteVault.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini ByteVault.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\Debug\ESE.TXT MicrosoftEdge.exe File created C:\Windows\rescache\_merged\3720402701\1568373884.pri MicrosoftEdge.exe File created C:\Windows\rescache\_merged\3720402701\1568373884.pri MicrosoftEdgeCP.exe File created C:\Windows\rescache\_merged\3720402701\1568373884.pri MicrosoftEdgeCP.exe -
pid Process 652 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Internet Explorer\Main browser_broker.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Internet Explorer\Main MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Internet Explorer\Main MicrosoftEdgeCP.exe -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Software\Microsoft\SystemCertificates\Disallowed\CRLs MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Software\Microsoft\SystemCertificates\Root\CRLs MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\FavOrder MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\121\Internet Settings\Cache\History\CacheLimit = "1" MicrosoftEdgeCP.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\BrowserEmulation\CVListXMLVersionHigh = "268435456" MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\121\Internet Settings\Cache MicrosoftEdgeCP.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\CIStatus\CIStatusTimestamp = 88fa7a24b5a0da01 MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Software\Microsoft\SystemCertificates\Root\CTLs MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\FavOrder\TreeView = "1" MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\Recovery\PendingRecovery\ReadingStorePending = "0" MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\Internet Settings\Zones\3 MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Software\Microsoft\SystemCertificates\CA\CRLs MicrosoftEdge.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\121\Internet Settings\Cache\Content\CachePrefix MicrosoftEdgeCP.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\FlipAhead\Meta\generator$blogger MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\HistoryJournalCertificate\Certificates MicrosoftEdge.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\CIStatus\CIStatusTimestamp = cb36fa1bb5a0da01 MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\BrowserEmulation\LowMic MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\004\ACGStatus MicrosoftEdgeCP.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\121\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" MicrosoftEdgeCP.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\004\Internet Settings\Cache\History\CachePrefix = "Visited:" MicrosoftEdgeCP.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\FlipAhead\Meta\generator$Telligent MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\GPU\Wow64-VersionLow = "0" MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\BingPageData\RulesFileNextUpdateDate = "421272345" MicrosoftEdge.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Internet Settings\Cache\History\CachePrefix = "Visited:" MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\GPU\VendorId = "0" MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\GPU\DXFeatureLevel = "0" MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\004\Internet Settings MicrosoftEdgeCP.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\CIStatus\CIStatusTimestamp = 38e3720db5a0da01 MicrosoftEdge.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\FlipAhead\Meta\generator$MediaWiki MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\121\Internet Settings\Cache\Content MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\BingPageData MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\CIStatus\CIPolicyState = "0" MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\FlipAhead MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\HistoryJournalCertificate\NextUpdateDate = "421891804" MicrosoftEdge.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\CIStatus\CIStatusTimestamp = 2fba8a0db5a0da01 MicrosoftEdge.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\CIStatus\CIStatusTimestamp = 8b48cc09b5a0da01 MicrosoftEdge.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\TabbedBrowsing\NewTabPage\ProcessingFlag = a0e4eb1bb5a0da01 MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\Rating\Rating Prompt Shown = "0" MicrosoftEdge.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" MicrosoftEdge.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\006\CIStatus\SignaturePolicy = 06000000 MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\GPU MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Software\Microsoft\SystemCertificates\Disallowed\Certificates MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\Protected - It is a violation of Windows Policy to modif = "1" MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy\Extensions MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\HistoryJournalCertificate\CRLs MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\121\Internet Settings MicrosoftEdgeCP.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\ACGStatus\ACGPolicyState = "8" MicrosoftEdgeCP.exe Set value (data) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\CIStatus\SignaturePolicy = 06000000 MicrosoftEdgeCP.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\DomainSuggestion\NextUpdateDate = "421875210" MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\GPU MicrosoftEdge.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\GPU\AdapterInfo = "vendorId=\"0x1414\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.15063.0\"hypervisor=\"No Hypervisor (No SLAT)\"" MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\004\Internet Settings\Cache\Extensible Cache MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\ACGStatus MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\IETld\LowMic MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\DomainSuggestion\FileNames\ MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\Recovery\PendingRecovery\ReadingStorePending = "1" MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\CIStatus MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\121\Internet Settings\Cache\Cookies MicrosoftEdgeCP.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Software\Microsoft\SystemCertificates\Root\Certificates MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\GPU\VersionHigh = "0" MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\BrowserEmulation\CVListXMLVersionLow = "0" MicrosoftEdge.exe Set value (int) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\Main\JumpListInPrivateBrowsingAllowed = "1" MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Software\Microsoft\SystemCertificates\Root MicrosoftEdge.exe Key created \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\006\CIStatus MicrosoftEdgeCP.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 652 powershell.exe 652 powershell.exe 652 powershell.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 3088 MicrosoftEdgeCP.exe 3088 MicrosoftEdgeCP.exe 3088 MicrosoftEdgeCP.exe -
Suspicious use of AdjustPrivilegeToken 30 IoCs
description pid Process Token: SeDebugPrivilege 652 powershell.exe Token: SeIncreaseQuotaPrivilege 652 powershell.exe Token: SeSecurityPrivilege 652 powershell.exe Token: SeTakeOwnershipPrivilege 652 powershell.exe Token: SeLoadDriverPrivilege 652 powershell.exe Token: SeSystemProfilePrivilege 652 powershell.exe Token: SeSystemtimePrivilege 652 powershell.exe Token: SeProfSingleProcessPrivilege 652 powershell.exe Token: SeIncBasePriorityPrivilege 652 powershell.exe Token: SeCreatePagefilePrivilege 652 powershell.exe Token: SeBackupPrivilege 652 powershell.exe Token: SeRestorePrivilege 652 powershell.exe Token: SeShutdownPrivilege 652 powershell.exe Token: SeDebugPrivilege 652 powershell.exe Token: SeSystemEnvironmentPrivilege 652 powershell.exe Token: SeRemoteShutdownPrivilege 652 powershell.exe Token: SeUndockPrivilege 652 powershell.exe Token: SeManageVolumePrivilege 652 powershell.exe Token: 33 652 powershell.exe Token: 34 652 powershell.exe Token: 35 652 powershell.exe Token: 36 652 powershell.exe Token: SeDebugPrivilege 3608 MicrosoftEdgeCP.exe Token: SeDebugPrivilege 3608 MicrosoftEdgeCP.exe Token: SeDebugPrivilege 3608 MicrosoftEdgeCP.exe Token: SeDebugPrivilege 3608 MicrosoftEdgeCP.exe Token: SeDebugPrivilege 4720 MicrosoftEdgeCP.exe Token: SeDebugPrivilege 4720 MicrosoftEdgeCP.exe Token: SeDebugPrivilege 4720 MicrosoftEdgeCP.exe Token: SeDebugPrivilege 4720 MicrosoftEdgeCP.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2592 MicrosoftEdge.exe 3088 MicrosoftEdgeCP.exe 3608 MicrosoftEdgeCP.exe 3088 MicrosoftEdgeCP.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4252 wrote to memory of 3596 4252 ByteVault.exe 75 PID 4252 wrote to memory of 3596 4252 ByteVault.exe 75 PID 3596 wrote to memory of 652 3596 ByteVault.exe 76 PID 3596 wrote to memory of 652 3596 ByteVault.exe 76 PID 3596 wrote to memory of 4588 3596 ByteVault.exe 79 PID 3596 wrote to memory of 4588 3596 ByteVault.exe 79 PID 3088 wrote to memory of 4720 3088 MicrosoftEdgeCP.exe 85 PID 3088 wrote to memory of 4720 3088 MicrosoftEdgeCP.exe 85 PID 3088 wrote to memory of 4720 3088 MicrosoftEdgeCP.exe 85 PID 3088 wrote to memory of 4720 3088 MicrosoftEdgeCP.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\ByteVault.exe"C:\Users\Admin\AppData\Local\Temp\ByteVault.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4252 -
C:\Users\Admin\AppData\Local\Temp\ByteVault.exe"C:\Users\Admin\AppData\Local\Temp\ByteVault.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- Drops desktop.ini file(s)
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Set-MpPreference -DisableRealtimeMonitoring $true"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:652
-
-
C:\Windows\SYSTEM32\netsh.exenetsh advfirewall set allprofiles state off3⤵
- Modifies Windows Firewall
PID:4588
-
-
-
C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca1⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2592
-
C:\Windows\system32\browser_broker.exeC:\Windows\system32\browser_broker.exe -Embedding1⤵
- Modifies Internet Explorer settings
PID:2688
-
C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca1⤵
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3088
-
C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3608
-
C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4720
-
C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca1⤵
- Modifies registry class
PID:1848
-
C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe"C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca1⤵
- Modifies registry class
PID:2588
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD50b8e6e89d7ea9193b4c2b2a1fc84c22c
SHA19574d0561e2ec4276adb0e5e18e217344af09519
SHA256c8d8c17a0a38fa7031794f4180903d628d04266cfd273fc1fa82222f3b958abf
SHA51291fe291c4648ccaf10eaf01fb5e33ce5132dc03ee31b577bbc3a8d00fb115b2e8f3e9616f4b11b9f728302cca5fad7dbfbb2e09502c3e3d0fcb03384f7e280b0
-
Filesize
74KB
MD5d4fc49dc14f63895d997fa4940f24378
SHA13efb1437a7c5e46034147cbbc8db017c69d02c31
SHA256853d2f4eb81c9fdcea2ee079f6faf98214b111b77cdf68709b38989d123890f1
SHA512cc60d79b4afe5007634ac21dc4bc92081880be4c0d798a1735b63b27e936c02f399964f744dc73711987f01e8a1064b02a4867dd6cac27538e5fbe275cc61e0a
-
C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\FO47SQ4Z\suggestions[1].en-US
Filesize17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
-
Filesize
83KB
MD5223fd6748cae86e8c2d5618085c768ac
SHA1dcb589f2265728fe97156814cbe6ff3303cd05d3
SHA256f81dc49eac5ecc528e628175add2ff6bda695a93ea76671d7187155aa6326abb
SHA5129c22c178417b82e68f71e5b7fe7c0c0a77184ee12bd0dc049373eace7fa66c89458164d124a9167ae760ff9d384b78ca91001e5c151a51ad80c824066b8ecce6
-
Filesize
178KB
MD50572b13646141d0b1a5718e35549577c
SHA1eeb40363c1f456c1c612d3c7e4923210eae4cdf7
SHA256d8a76d1e31bbd62a482dea9115fc1a109cb39af4cf6d1323409175f3c93113a7
SHA51267c28432ca8b389acc26e47eb8c4977fddd4af9214819f89df07fecbc8ed750d5f35807a1b195508dd1d77e2a7a9d7265049dcfbfe7665a7fd1ba45da1e4e842
-
Filesize
245KB
MD53055edf761508190b576e9bf904003aa
SHA1f0dc8d882b5cd7955cc6dfc8f9834f70a83c7890
SHA256e4104e47399d3f635a14d649f61250e9fd37f7e65c81ffe11f099923f8532577
SHA51287538fe20bd2c1150a8fefd0478ffd32e2a9c59d22290464bf5dfb917f6ac7ec874f8b1c70d643a4dc3dd32cbe17e7ea40c0be3ea9dd07039d94ab316f752248
-
Filesize
64KB
MD5eedb6d834d96a3dffffb1f65b5f7e5be
SHA1ed6735cfdd0d1ec21c7568a9923eb377e54b308d
SHA25679c4cde23397b9a35b54a3c2298b3c7a844454f4387cb0693f15e4facd227dd2
SHA512527bd7bb2f4031416762595f4ce24cbc6254a50eaf2cc160b930950c4f2b3f5e245a486972148c535f8cd80c78ec6fa8c9a062085d60db8f23d4b21e8ae4c0ad
-
Filesize
156KB
MD505e8b2c429aff98b3ae6adc842fb56a3
SHA1834ddbced68db4fe17c283ab63b2faa2e4163824
SHA256a6e2a5bb7a33ad9054f178786a031a46ea560faeef1fb96259331500aae9154c
SHA512badeb99795b89bc7c1f0c36becc7a0b2ce99ecfd6f6bb493bda24b8e57e6712e23f4c509c96a28bc05200910beddc9f1536416bbc922331cae698e813cbb50b3
-
Filesize
81KB
MD5dc06f8d5508be059eae9e29d5ba7e9ec
SHA1d666c88979075d3b0c6fd3be7c595e83e0cb4e82
SHA2567daff6aa3851a913ed97995702a5dfb8a27cb7cf00fb496597be777228d7564a
SHA51257eb36bc1e9be20c85c34b0a535b2349cb13405d60e752016e23603c4648939f1150e4dbebc01ec7b43eb1a6947c182ccb8a806e7e72167ad2e9d98d1fd94ab3
-
Filesize
1.3MB
MD508332a62eb782d03b959ba64013ac5bc
SHA1b70b6ae91f1bded398ca3f62e883ae75e9966041
SHA2568584f0eb44456a275e3bc69626e3acad595546fd78de21a946b2eb7d6ba02288
SHA512a58e4a096d3ce738f6f93477c9a73ddbfcb4b82d212c0a19c0cf9e07f1e62b2f477a5dd468cd31cc5a13a73b93fa17f64d6b516afef2c56d38ede1ace35cf087
-
Filesize
6.9MB
MD561d63fbd7dd1871392997dd3cef6cc8e
SHA145a0a7f26f51ce77aa1d89f8bedb4af90e755fa9
SHA256ae3a2936b138a2faa4d0cd6445fae97e441b23f6fdafb1a30e60fd80c37d7df5
SHA512c31f1f281d354acb424a510d54790ee809364b55425b1d39429e1bb7c379126578260c6f197834339a34833c90e748483aabd426295731f78fcde9580fcd8f9f
-
Filesize
5.0MB
MD5e547cf6d296a88f5b1c352c116df7c0c
SHA1cafa14e0367f7c13ad140fd556f10f320a039783
SHA25605fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de
SHA5129f42edf04c7af350a00fa4fdf92b8e2e6f47ab9d2d41491985b20cd0adde4f694253399f6a88f4bdd765c4f49792f25fb01e84ec03fd5d0be8bb61773d77d74d
-
Filesize
66KB
MD579b02450d6ca4852165036c8d4eaed1f
SHA1ce9ff1b302426d4c94a2d3ea81531d3cb9e583e4
SHA256d2e348e615a5d3b08b0bac29b91f79b32f0c1d0be48976450042462466b51123
SHA51247044d18db3a4dd58a93b43034f4fafa66821d157dcfefb85fca2122795f4591dc69a82eb2e0ebd9183075184368850e4caf9c9fea0cfe6f766c73a60ffdf416
-
Filesize
6.6MB
MD53c388ce47c0d9117d2a50b3fa5ac981d
SHA1038484ff7460d03d1d36c23f0de4874cbaea2c48
SHA256c98ba3354a7d1f69bdca42560feec933ccba93afcc707391049a065e1079cddb
SHA512e529c5c1c028be01e44a156cd0e7cad0a24b5f91e5d34697fafc395b63e37780dc0fac8f4c5d075ad8fe4bd15d62a250b818ff3d4ead1e281530a4c7e3ce6d35
-
Filesize
29KB
MD592b440ca45447ec33e884752e4c65b07
SHA15477e21bb511cc33c988140521a4f8c11a427bcc
SHA256680df34fb908c49410ac5f68a8c05d92858acd111e62d1194d15bdce520bd6c3
SHA51240e60e1d1445592c5e8eb352a4052db28b1739a29e16b884b0ba15917b058e66196988214ce473ba158704837b101a13195d5e48cb1dc2f07262dfecfe8d8191
-
Filesize
1.1MB
MD516be9a6f941f1a2cb6b5fca766309b2c
SHA117b23ae0e6a11d5b8159c748073e36a936f3316a
SHA25610ffd5207eeff5a836b330b237d766365d746c30e01abf0fd01f78548d1f1b04
SHA51264b7ecc58ae7cf128f03a0d5d5428aaa0d4ad4ae7e7d19be0ea819bbbf99503836bfe4946df8ee3ab8a92331fdd002ab9a9de5146af3e86fef789ce46810796b
-
Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
-
Filesize
116KB
MD5be8dbe2dc77ebe7f88f910c61aec691a
SHA1a19f08bb2b1c1de5bb61daf9f2304531321e0e40
SHA2564d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
SHA5120da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655