Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29-05-2024 06:44
Static task
static1
Behavioral task
behavioral1
Sample
1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe
Resource
win10v2004-20240426-en
General
-
Target
1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe
-
Size
501KB
-
MD5
bf55c921b638ddf41a5120c90fe5f211
-
SHA1
6a96dd8be36381d71eb7dac5f7a053064b546487
-
SHA256
1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51
-
SHA512
a3d91c51eb3bd59792f6cca32def989b4d069e489dcb74263f5f629fe300f4074b1a7d8a7a64410d7efc992e1d332108147aa0b2611e0777358749d7adfac166
-
SSDEEP
12288:bGlEhiu/o/eXUG8nfBG5K92Qg+fgFfwjUKWXNDtn0lF620D4JNuq6JFcP:bGei/mUNaK9259wjU3dt0lF6264JArJs
Malware Config
Extracted
C:\Program Files (x86)\!nissenvelten!HOW_TO_RESTORE.log
rook
Signatures
-
Rook
Rook is a ransomware which copies from NightSky ransomware.
-
Renames multiple (6455) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ExcelNaiveBayesCommandRanker.txt.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherImages\210x173\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\ja-jp\ui-strings.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\ca-es\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Java\jdk-1.8\README.html.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_2019.807.41.0_neutral_~_8wekyb3d8bbwe\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\ja-jp\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\images\themeless\Playstore\ko_get.svg.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\sv-se\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\sk-sk\ui-strings.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-phn.xrm-ms.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.VisualElementsManifest.xml.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\MyriadPro-BoldIt.otf.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\selector.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\ru-ru\ui-strings.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\VBA\VBA7.1\1033\FM20.CHM.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond-TrebuchetMs.xml.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\Microsoft Office\root\Templates\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Tracker\server_ok.gif.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-phn.xrm-ms.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Locales\ka.pak.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\VideoLAN\VLC\locale\uz\LC_MESSAGES\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Logos\StoreLogo\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\sk-sk\ui-strings.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansDemiBold.ttf.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_split.scale-100_8wekyb3d8bbwe\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\StartScreen\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\faf-main.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\walk-through\js\nls\da-dk\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.30251.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\es\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ppd.xrm-ms.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\it-it\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\es-es\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\StepApprove.asf.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ul-oob.xrm-ms.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Tracker\open_original_form.gif.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Trust Protection Lists\Sigma\LICENSE.DATA.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_2020.1906.55.0_neutral_~_8wekyb3d8bbwe\microsoft.system.package.metadata\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\ui-strings.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\Resources\1033\msmdsrv.rll.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\de-de\ui-strings.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\APASixthEditionOfficeOnline.xsl.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\zh-cn\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\nb-no\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\en-ae\ui-strings.js.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\en-il\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\equalizer_window.html.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_neutral_split.scale-200_8wekyb3d8bbwe\microsoft.system.package.metadata\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\sv\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Locales\kk.pak.DATA.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\TEXTCONV\WPFT632.CNV.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Locales\fa.pak.DATA.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\remove.svg.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\en-ae\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\MSO.ACL.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\CONCRETE\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\aicuc\js\plugins\selection-action-plugins\cpdf\!nissenvelten!HOW_TO_RESTORE.log 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\koreus.luac.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\de_get.svg.nissenvelten-sjj3hhut 1a130d16a9e828cccb6a2135cbd7f1615219979612e0bae67cbe7c9a9606cf51.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD51ac13e1c2b35dfaf377ceb55e61e5309
SHA1e53185eee04a0578483054e507d639be2635b4d7
SHA25672e9a50a52585a25c5529b846cf586946694e46a912a97b526e4a7067ab1d7e6
SHA512fa702569f13d82d24e78cba21397f0d53281c0a93db7a484bb974f4cb965da23dd4691c7061de6bfd54e40d5d32faa2e8b8af52968191b91f9164f5c7d459fa6