Analysis
-
max time kernel
91s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
11/07/2024, 04:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5942143614d8ed34567ea472c2b819777edd25c00b3e1b13b1ae98d7f9e28d43.dll
Resource
win7-20240708-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
5942143614d8ed34567ea472c2b819777edd25c00b3e1b13b1ae98d7f9e28d43.dll
Resource
win10v2004-20240704-en
windows10-2004-x64
3 signatures
150 seconds
General
-
Target
5942143614d8ed34567ea472c2b819777edd25c00b3e1b13b1ae98d7f9e28d43.dll
-
Size
1.0MB
-
MD5
2b7fc9dd400d92cc64627115b47a592f
-
SHA1
7131a6f16aa8534a9cec7e11e37423aea4c09784
-
SHA256
5942143614d8ed34567ea472c2b819777edd25c00b3e1b13b1ae98d7f9e28d43
-
SHA512
50a8c9f9b0daa160d3ab7eb49212a53db7c4aa1aa02c7a408ffc2254c02635be9c52c815567e9020beb4eb3a9d6aaa919c70f87d01fc6df55b0e4785b21d28b8
-
SSDEEP
24576:9gV5fnVwQncvBPaMQguPhZDrBvyTagWIO:9g3VwkYaM0PvfBqugx
Score
10/10
Malware Config
Extracted
Path
C:\Program Files (x86)\instructions_read_me.txt
Family
blackbasta
Ransom Note
ATTENTION!
Your network has been breached and all data was encrypted. Please contact us at:
https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion/
Login ID: 21b9379f-9f5c-4dda-87c4-19bee5fef2ae
*!* To access .onion websites download and install Tor Browser at:
https://www.torproject.org/ (Tor Browser is not related to us)
*!* To restore all your PCs and get your network working again, follow these instructions:
- Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. It doesn't matter, who are trying to do this, either it will be your IT guys or a recovery agency.
Please follow these simple rules to avoid data corruption:
- Do not modify, rename or delete files. Any attempts to modify, decrypt or rename the files will lead to its fatal corruption.
- Do not hire a recovery company. They can't decrypt without the key.
They also don't care about your business. They believe that they are
good negotiators, but it is not. They usually fail. So speak for yourself.
Waiting you in a chat.
URLs
https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion/
Signatures
-
Black Basta
A ransomware family targeting Windows and Linux ESXi first seen in February 2022.
-
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\Assets\MediumTile.scale-200_contrast-white.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarSmallTile.scale-100.png rundll32.exe File opened for modification C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui rundll32.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll rundll32.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libkaraoke_plugin.dll rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\ja-JP\msadcer.dll.mui rundll32.exe File created C:\Program Files (x86)\Windows Media Player\ja-JP\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteNotebookLargeTile.scale-200.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_2019.305.632.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml rundll32.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\ja-JP\TabTip32.exe.mui rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ul-oob.xrm-ms rundll32.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\ExchangeWideTile.scale-200.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailSplashLogo.scale-125.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\models\de-DE.mail.config rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Microsoft.Xbox.SmartGlass.Controls\TextEntry.xaml rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins3d\drvDX9.x3d rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\resources.pri rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Assets\Square310x310Logo.scale-200.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-Generic-Dark.scale-125.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\Assets\Images\SkypeAppList.targetsize-48_altform-unplated_contrast-black.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml rundll32.exe File created C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\instructions_read_me.txt rundll32.exe File created C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Configuration\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-48_altform-lightunplated.png rundll32.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\TextConv\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt rundll32.exe File opened for modification C:\Program Files\Windows Media Player\fr-FR\wmpnetwk.exe.mui rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\mso98imm.dll rundll32.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.Client.dll rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteAppList.targetsize-40_altform-unplated.png rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\msvcp140.dll rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_~_8wekyb3d8bbwe\AppxSignature.p7x rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\C2R64.dll rundll32.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\FetchingMail.scale-150.png rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_K_COL.HXK rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\BadgeLogo.scale-100_contrast-black.png rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-ppd.xrm-ms rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\Square150x150Logo.scale-125.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\CalculatorAppList.contrast-black_scale-100.png rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe rundll32.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Dynamic.Runtime.dll rundll32.exe File created C:\Program Files (x86)\Windows Photo Viewer\de-DE\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_2019.729.2301.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-private-l1-1-0.dll rundll32.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsBase.dll rundll32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\modules\dkjson.luac rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ul-oob.xrm-ms rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteNewNoteLargeTile.scale-100.png rundll32.exe File created C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Assets\instructions_read_me.txt rundll32.exe File created C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\iadata\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\ExchangeSmallTile.scale-400.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\contrast-white\MixedRealityPortalAppList.targetsize-96_altform-unplated_contrast-white.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteSectionGroupMedTile.scale-400.png rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml rundll32.exe File opened for modification C:\Program Files\Windows Media Player\fr-FR\wmlaunch.exe.mui rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\clrjit.dll rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-ppd.xrm-ms rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppList.targetsize-64_altform-unplated_contrast-black.png rundll32.exe File opened for modification C:\Program Files\Internet Explorer\hmmapi.dll rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Win10\MicrosoftSolitaireAppList.targetsize-256_altform-unplated_devicefamily-colorfulunplated.png rundll32.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.5n0hklvqf\DefaultIcon rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.5n0hklvqf rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.5n0hklvqf\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico" rundll32.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5ffab6a010fa0bc17c0bdcda4a0891a63
SHA110c791332e829c8109ebe5b42a72d0bb248e27b4
SHA256d0f3fcaa5904dd619110b66fad01902b1cd125cab6ad9a001c402872209d29c0
SHA51231dcb7f78b681e1e68069aa9bb3de8e4b946c512984606354b390047145e45c9a4cda4f042a23e1bd235d8d915ca14033522aa4fe510918a8af4620ee98ee696