Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
05-01-2024 03:28
Behavioral task
behavioral1
Sample
b91097bff5f741a965eb80edfcc97b0b.exe
Resource
win7-20231215-en
windows7-x64
6 signatures
150 seconds
General
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Target
b91097bff5f741a965eb80edfcc97b0b.exe
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Size
3.5MB
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MD5
b91097bff5f741a965eb80edfcc97b0b
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SHA1
fdebe47b69442a312c1008c7a5ee71b3f41b4a68
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SHA256
de4da24486f406177afea313e60468918398dbbdb3551a7290a4050966494728
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SHA512
21b96d15a463a5cdc7e2016a8a1e1cf636b1c4d13343f66fdcad24deecba56a29797600701ac3a382133ca585c89eb81fab085853991c19ccf245ff11de91514
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SSDEEP
49152:JAdGB73ejP3+EMfRdASVaAvrC5Xh602+:JAgR3epMjASHch
Malware Config
Signatures
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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 desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI b91097bff5f741a965eb80edfcc97b0b.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosWideTile.contrast-white_scale-200.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\placeholder.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_neutral_~_8wekyb3d8bbwe\AppxSignature.p7x b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\hr-hr\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL108.XML b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\Doughboy.scale-125.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\GamesXboxHubSplashScreen.scale-100.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\el_get.svg b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\uk-ua\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-oob.xrm-ms b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsFeedbackHub_1.1907.3152.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-64_altform-unplated.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\fr-fr\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\ru-ru\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-oob.xrm-ms b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\Scientific.targetsize-64_contrast-black.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailSmallTile.scale-400.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\BLUEPRNT\THMBNAIL.PNG b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.NET.Native.Runtime.2.2_2.2.27328.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\Autogen\JSByteCodeCache_64 b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteSplashLogo.scale-200.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\ja-jp\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\fr-ma\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\fr-ma\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MEDIA\SUCTION.WAV b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\Store\Wide310x150Logo.scale-400.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\media_poster.jpg b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ppd.xrm-ms b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleAppAssets\Videos\people_wel_motionAsset.m4v b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\BadgeLogo.scale-150_contrast-white.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailSmallTile.scale-125.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Images\PrintAndShare\Glyph_0xe7d3.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\StoreBadgeLogo.scale-200.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Trust Protection Lists\Sigma\LICENSE.DATA b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHSRN.DAT b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Win10\MicrosoftSolitaireAppList.targetsize-96_altform-unplated_contrast-white_devicefamily-colorfulunplated.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\AppCS\Assets\FirstTimeUse.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-pl.xrm-ms b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppUpdate.svg b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\css\main-cef-win.css b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\ko-kr\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\pt-BR\View3d\3DViewerProductDescription-universal.xml b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubAppList.targetsize-96_contrast-high.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\7-Zip\Lang\vi.txt b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\illustrations_retina.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsAppList.targetsize-48.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ppd.xrm-ms b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxBlockMap.xml b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\bg4.jpg b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\dd_arrow_small2x.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PG_INDEX.XML b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\QUAD\PREVIEW.GIF b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-icons_ffd27a_256x240.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ppd.xrm-ms b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\css\main.css b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\he-il\ui-strings.js b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.scale-150_contrast-white.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\contrast-white\MixedRealityPortalAppList.targetsize-80_altform-unplated_contrast-white.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_neutral_split.scale-100_8wekyb3d8bbwe\resources.pri b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\MedTile.scale-150_contrast-white.png b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\FPA_f14\FA000000014 b91097bff5f741a965eb80edfcc97b0b.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ppd.xrm-ms b91097bff5f741a965eb80edfcc97b0b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4488 b91097bff5f741a965eb80edfcc97b0b.exe 4488 b91097bff5f741a965eb80edfcc97b0b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 2360 vssvc.exe Token: SeRestorePrivilege 2360 vssvc.exe Token: SeAuditPrivilege 2360 vssvc.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\b91097bff5f741a965eb80edfcc97b0b.exe"C:\Users\Admin\AppData\Local\Temp\b91097bff5f741a965eb80edfcc97b0b.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:4488
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2360