Analysis
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max time kernel
180s -
max time network
298s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 21:55
Static task
static1
Behavioral task
behavioral1
Sample
rans.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
rans.exe
Resource
win10v2004-20241007-en
General
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Target
rans.exe
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Size
1.0MB
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MD5
e57340a208ac9d95a1f015a5d6d98b94
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SHA1
4549f715bfeab0477c816dc7629b3d50963c4d23
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SHA256
87b4020bcd3fad1f5711e6801ca269ef5852256eeaf350f4dde2dc46c576262d
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SHA512
d1d747149e4742849dad10c3cf5e3a7956fd7ffb76e6b9f763bfffa6a59074da34d3acbbcdd9a01df80f0ed429c7ff13ba64ccc9a2773d7257da74ccba4eac94
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SSDEEP
12288:Vpp+QIEmDzuImC01vbUE98pik+2i1NkshdMMK+AX99etq2dTdsf:Vpp+Q+u5bUI8pij1NkshdMf99etb5m
Malware Config
Extracted
C:\Program Files\7-Zip\akira_readme.txt
akira
https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion
https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion
Signatures
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Akira
Akira is a ransomware first seen in March 2023 and targets several industries, including education, finance, real estate, manufacturing, and consulting.
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Akira family
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1060 4076 powershell.exe 84 -
Renames multiple (8414) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell command to delete shadowcopy.
pid Process 1060 powershell.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\akira_readme.txt rans.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 31 IoCs
description ioc Process File opened for modification C:\Users\Admin\Desktop\desktop.ini rans.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini rans.exe File opened for modification C:\Users\Admin\Music\desktop.ini rans.exe File opened for modification C:\Users\Public\Downloads\desktop.ini rans.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini rans.exe File opened for modification C:\Users\Admin\Documents\desktop.ini rans.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini rans.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini rans.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini rans.exe File opened for modification C:\Users\Public\Desktop\desktop.ini rans.exe File opened for modification C:\Program Files\desktop.ini rans.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini rans.exe File opened for modification C:\Users\Admin\Videos\desktop.ini rans.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini rans.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini rans.exe File opened for modification C:\Users\Public\Music\desktop.ini rans.exe File opened for modification C:\Users\Public\Videos\desktop.ini rans.exe File opened for modification C:\Users\Public\Documents\desktop.ini rans.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini rans.exe File opened for modification C:\Users\Admin\Links\desktop.ini rans.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini rans.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini rans.exe File opened for modification C:\Users\Public\desktop.ini rans.exe File opened for modification C:\Users\Public\Libraries\desktop.ini rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI rans.exe File opened for modification C:\Program Files (x86)\desktop.ini rans.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini rans.exe File opened for modification C:\Users\Admin\Searches\desktop.ini rans.exe File opened for modification C:\Users\Public\Pictures\desktop.ini rans.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-30_altform-unplated.png rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsAppList.targetsize-32_altform-unplated_contrast-white.png rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\APASixthEditionOfficeOnline.xsl rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\166.png rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-white_targetsize-32.png rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\TURABIAN.XSL rans.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\sk-sk\akira_readme.txt rans.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\EVRGREEN\EVRGREEN.INF rans.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Exchange.scale-300.png rans.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\tool-search-2x.png rans.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\akira_readme.txt rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-48_altform-unplated_devicefamily-colorfulunplated.png rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\AppIcon.targetsize-32_altform-unplated.png rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.tlb rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-180.png rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Cyrl-RS\msipc.dll.mui rans.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\uk\akira_readme.txt rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubAppList.targetsize-40_contrast-white.png rans.exe File created C:\Program Files\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagement\fr-FR\akira_readme.txt rans.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_duplicate_18.svg rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-180.png rans.exe File created C:\Program Files (x86)\Windows Media Player\ja-JP\akira_readme.txt rans.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagementSource\de-DE\MSFT_PackageManagementSource.strings.psd1 rans.exe File created C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\FileIcons\akira_readme.txt rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\AppxSignature.p7x rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-30.png rans.exe File created C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\akira_readme.txt rans.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\nl-nl\akira_readme.txt rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-40_contrast-white.png rans.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\ko-kr\akira_readme.txt rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-100.png rans.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\AssetLibrary.ico rans.exe File created C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\CoreEngine\Data\BrushProfile\akira_readme.txt rans.exe File created C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_neutral_split.scale-100_8wekyb3d8bbwe\akira_readme.txt rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-40_altform-unplated.png rans.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_reportabuse-default_18.svg rans.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\it-it\akira_readme.txt rans.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\ca-es\akira_readme.txt rans.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\AIRWER.DLL rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-white\PeopleSmallTile.scale-100.png rans.exe File created C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\akira_readme.txt rans.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\pt_get.svg rans.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\StopwatchMedTile.contrast-white_scale-125.png rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\fil-PH\View3d\3DViewerProductDescription-universal.xml rans.exe File created C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_~_8wekyb3d8bbwe\microsoft.system.package.metadata\akira_readme.txt rans.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Exchange.scale-250.png rans.exe File created C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\akira_readme.txt rans.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\PIXEL\PREVIEW.GIF rans.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\hr-hr\akira_readme.txt rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SplashScreen.scale-100.png rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms rans.exe File opened for modification C:\Program Files\Java\jre-1.8\Welcome.html rans.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-ppd.xrm-ms rans.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\tool-search.png rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ScreenSketchSquare44x44Logo.targetsize-96_altform-unplated_contrast-white.png rans.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_CN.properties rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-72_altform-unplated_contrast-white.png rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-black\Logo.scale-200_contrast-black.png rans.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\task-handler\js\nls\ja-jp\ui-strings.js rans.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.DesktopAppInstaller_1.0.30251.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Sticker_Cloud.png rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteSectionGroupWideTile.scale-100.png rans.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\akira_readme.txt rans.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\Assets\contrast-black\PeopleMedTile.scale-200.png rans.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4940 rans.exe 4940 rans.exe 1060 powershell.exe 1060 powershell.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe 4940 rans.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1060 powershell.exe Token: SeBackupPrivilege 2164 vssvc.exe Token: SeRestorePrivilege 2164 vssvc.exe Token: SeAuditPrivilege 2164 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\rans.exe"C:\Users\Admin\AppData\Local\Temp\rans.exe"1⤵
- Drops startup file
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:4940
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command "Get-WmiObject Win32_Shadowcopy | Remove-WmiObject"1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1060
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2164
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD557dbac8746a2df4dbda8df286209ca99
SHA16c358a828e6d29eb0dab953ebca10101387c78eb
SHA256e78d30c7e5a835850069b709f8cd2b7d5480bcf6be9f8ef29c3fae68effb3125
SHA5126f71dada832c547663144beaebba52d87e72d7b0ee6f09b2bc44f78cc942897d3f86d37e36967e3f156d6cfdd6288433d791c4a7d79769802ca19e43702f6943
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Filesize
3KB
MD556910d10e7f28a7add5ef825e4b85723
SHA11eba84dc723d6f6696cfcd3c1f1026af690183ac
SHA25667e9f020bfdfac9ea0565f3fd9369a1b4cdfddcbf4abce4023e1384e592a16f8
SHA5123a3b15507efc1ca8c46665909519c38bc97861b60ab8f0b8dac1baa6b8931f94c19e4bd704c15310061dfb3c789e31d45a4fccb1896811be04077e946aafc16e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82