Analysis
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max time kernel
150s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-08-2024 18:35
Behavioral task
behavioral1
Sample
352f00d2c53b14d500cc182b1e14954df25a6ff9171b50aacd4a981ebe03246a.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
352f00d2c53b14d500cc182b1e14954df25a6ff9171b50aacd4a981ebe03246a.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe
Resource
win10v2004-20240802-en
General
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Target
db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe
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Size
125KB
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MD5
b13a1e9c7ef5a51f64a58bae9b508e62
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SHA1
e232747c02b5cab0a414190a0d8438f5be042000
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SHA256
db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe
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SHA512
3f42f81505693089dc2595976c523f1568aee6cbe2565ba16b3e4b43a06b2533b4f2c63ba90afc2637380a32fbc5dd09b70e84ff932fe90482e0da84c0571afe
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SSDEEP
3072:GA1PPaKgKdZqTXKopLuLgdgjgVE0e95NlmD:G6CKg8ZqTvpyLgd0gVqdE
Malware Config
Extracted
C:\Program Files (x86)\Microsoft\How to decrypt files.txt
targetcompany
http://w3nrsbh4n35dkujnho3yiv5ocntimv5nb3jg5fggvgw3dwrzdnmtlaqd.onion/TIF3MW2QALL
Signatures
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TargetCompany,Mallox
TargetCompany (aka Mallox) is a ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 4556 bcdedit.exe 1988 bcdedit.exe -
Renames multiple (5854) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\V: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\Y: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\B: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\H: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\J: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\K: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\L: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\N: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\F: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\W: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\X: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\U: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\E: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\M: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\O: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\Q: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\R: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\T: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\A: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\G: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\I: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\P: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\S: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened (read-only) \??\Z: db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\ru-ru\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\es-es\How to decrypt files.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\themes\dark\circle_2x.png db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\@1x\[email protected] db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\pl-pl\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Classic.dotx db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Tracker\reviewers.gif db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\images\themes\dark\rhp_world_icon_hover_2x.png db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\sk-sk\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\tr-tr\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\nb-no\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\cmm\GRAY.pf db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_ellipses.svg db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\hr-hr\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\ja-jp\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\en-ae\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File created C:\Program Files\VideoLAN\VLC\plugins\text_renderer\How to decrypt files.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\sl-sl\How to decrypt files.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\as90.xsl db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\7-Zip\Lang\nn.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File created C:\Program Files\VideoLAN\VLC\locale\cy\LC_MESSAGES\How to decrypt files.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\eu-es\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxslt.md db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\de-de\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AGMGPUOptIn.ini db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\spectrum_spinner.svg db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-phn.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ul-phn.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\DataModel\Cartridges\sql70.xsl db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\CourierStd.otf db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\CMap\Identity-V db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-oob.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OFFSYMB.TTF db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\CompareRequest.jpeg db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\intf\modules\host.luac db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_editpdf_18.svg db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\root\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-oob.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\INDUST\INDUST.INF db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\BLUECALM\BLUECALM.INF db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXC db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Download\How to decrypt files.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\WindowsMedia.mpp db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\How to decrypt files.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\images\themeless\Playstore\th_get.svg db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account-select\js\plugin.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\it-it\ui-strings.js db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ul-phn.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ul-phn.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Crashpad\settings.dat db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\ROMAN.TXT db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\ro-ro\How to decrypt files.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\css\main-selector.css db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\zh-tw\How to decrypt files.txt db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\win8-scrollbar\themes\dark\arrow-right-pressed.gif db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_checkbox_partialselected-default_18.svg db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\css\main.css db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ul-oob.xrm-ms db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3652 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe Token: SeDebugPrivilege 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe Token: SeBackupPrivilege 1500 vssvc.exe Token: SeRestorePrivilege 1500 vssvc.exe Token: SeAuditPrivilege 1500 vssvc.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4288 wrote to memory of 3652 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe 86 PID 4288 wrote to memory of 3652 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe 86 PID 4288 wrote to memory of 4644 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe 88 PID 4288 wrote to memory of 4644 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe 88 PID 4288 wrote to memory of 4312 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe 90 PID 4288 wrote to memory of 4312 4288 db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe 90 PID 4644 wrote to memory of 4556 4644 cmd.exe 93 PID 4644 wrote to memory of 4556 4644 cmd.exe 93 PID 4312 wrote to memory of 1988 4312 cmd.exe 94 PID 4312 wrote to memory of 1988 4312 cmd.exe 94 -
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\db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe"C:\Users\Admin\AppData\Local\Temp\db12aacbc394e441e23c1e1d9ce25ca354a554d7362b399e6d0e33770f0e98fe.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4288 -
C:\Windows\system32\vssadmin.exe"C:\Windows\sysnative\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:3652
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C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures2⤵
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\system32\bcdedit.exebcdedit /set {current} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:4556
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C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd.exe" /c bcdedit /set {current} recoveryenabled no2⤵
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Windows\system32\bcdedit.exebcdedit /set {current} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
PID:1988
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1500
Network
MITRE ATT&CK Enterprise v15
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Downloads
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Filesize
1KB
MD52ec73cd107a7b2a2a74fe885dbb806a3
SHA19ce7dcc184b0f3ae56379301428ff4a795af27b9
SHA2563c911f67c2a94541505ba5bdbd8df7e45fcbb4b76a1132032029e02c2e9cec3a
SHA512963655732f1d36d7af13ac14e7ef2944a78c09c001762db481e959231bb3755af36c9b0df04dfaaaa93278dcd0e4096f6be28802cc0756e70dbcce58def5fbe9