Analysis
-
max time kernel
150s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 06:08
Static task
static1
Behavioral task
behavioral1
Sample
f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe
Resource
win10v2004-20240508-en
General
-
Target
f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe
-
Size
82KB
-
MD5
1ac438d458f55d4dbca5132d813fdade
-
SHA1
908abf50d4d3bae1940f0b96a91148bdd8c51471
-
SHA256
f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5
-
SHA512
ab6651c645d2496ca0c1b3d2cee72fbec7e87a141704277e0467dcfc88f5383ace1bfa9574606255df0749ce2931305c7c22a1a9e84479e3d52ff6941b24c28f
-
SSDEEP
1536:W7ZhA7pApMaxB4b0CYJ97lEVqNR7YWtMQQQuMd303f:6e7WpMaxeb0CYJ97lEYNR7ZtR303f
Malware Config
Signatures
-
Renames multiple (4820) 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
Processes:
f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exedescription ioc process File created C:\Program Files\7-Zip\Lang\sa.txt.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsBase.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-2-0.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-phn.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-pl.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\7-Zip\Lang\it.txt.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.DataSetExtensions.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Design.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClient.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Handles.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsBase.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Accessibility.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Cambria.xml.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClient.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jfr.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-phn.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLPROXY.DLL.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Office16\NL7MODELS000A.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11wrapper.md.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jre-1.8\lib\security\policy\limited\US_export_policy.jar.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-pl.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ppd.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\TellMeExcel.nrr.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Office16\msotdaddin.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Configuration.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Calendars.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Memory.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.Linq.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-multibyte-l1-1-0.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ppd.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-100.png.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntimeR_PrepidBypass-ul-oob.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-pl.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.DataContractSerialization.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XPath.XDocument.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\ReachFramework.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jdk-1.8\lib\deployment.config.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\7-Zip\Lang\ky.txt.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Common Files\microsoft shared\VC\msdia100.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationFramework.resources.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\GRAY.pf.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Java\jre-1.8\bin\kinit.exe.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-oob.xrm-ms.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32mui.msi.16.en-us.xml.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe File created C:\Program Files\Microsoft Office\root\Office16\mip_clienttelemetry.dll.tmp f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\$Recycle.Bin\S-1-5-21-4124900551-4068476067-3491212533-1000\desktop.ini.tmpFilesize
82KB
MD5d34af12f633a1f2e776a83970fa1fd12
SHA139bc0db27a41df9bf51a9a6f3bc5ccf9d0d790b3
SHA2564404de967724c695602afc80715cb97cbac2c0e8ec39f58cdd3c72dec5719006
SHA512bc9329962fca121d4695449e4fd404b71f16e19639c943150eea9225453a7c732809a570dc499d30c5f3bba2328b56a96ad1d8c5bb8b5ec01d9df9d2ff858384
-
C:\Program Files\7-Zip\7-zip.dll.tmpFilesize
181KB
MD59a9d51be4e4312a1cc4cc3088d1dcef9
SHA113729750b1a74e790bdc298fd7d2e4a009bc57cc
SHA256996942d2e56e8122ac3c1737ed06eec26b0b20f83ec6db62e3b420cc6e9741b3
SHA51258fb34052c15a1bbc8c3892573cb5916633b43652a623a07a4ca2a01b3cd1137738f33ff8d37f62f950770c9ddafc865506d00db32d4f1942ea1225610eed5c1