Analysis
- max time kernel
120s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
08/10/2024, 22:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe
Resource
win7-20240708-en
windows7-x64
3 signatures
120 seconds
Behavioral task
behavioral2
Sample
b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
3 signatures
120 seconds
General
- Target b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe
- Size 42KB
- Sample241008-18mldasfnl
- SHA256 b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8
- MD5 8b0339306dffdeb113fe05166eeba440
- SHA1 98b956966ee034bcc08f333e0b52ad8fbd432f59
- SHA512 4c649dc79d6535fc091d2498c11facd68d235af5b5a19cda080310447e1aa887fffa08d44f4e846730a2d2cccddbf81bfc21025c26bd5f8578fc280363e64c9d
- SSDEEP 384:GBt7Br5xjLfAgA71FbhvtPcNOF8F0qOF8F0PDXxhDXxZfsS:W7BlpDpARFbhmauaLXxpXx3
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4620) 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 created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClient.resources.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationProvider.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-oob.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-80.png.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\fi\msipc.dll.mui.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_F_COL.HXK.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Cyrl-RS\msipc.dll.mui.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jdk-1.8\lib\dt.jar.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jre-1.8\bin\resource.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterRegular.ttf.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ppd.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ppd.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-phn.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-util-l1-1-0.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ppd.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-phn.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-phn.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-80.png.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Internet Explorer\ja-JP\ieinstal.exe.mui.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jdk-1.8\bin\java.exe.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-multibyte-l1-1-0.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Facet.thmx.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\msipc.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msaddsr.dll.mui.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\lcms.md.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jre-1.8\bin\j2pcsc.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-phn.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\msix.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\dxil.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\local_policy.jar.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsBase.resources.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-pl.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.AccessControl.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Xaml.resources.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jre-1.8\lib\javaws.jar.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-pl.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Thread.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.DataContractSerialization.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-ul-oob.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ppd.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-pl.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ul-oob.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msaddsr.dll.mui.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.ILGeneration.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.resources.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Java\jre-1.8\bin\msvcp140.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-oob.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ul-oob.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\WHOOSH.WAV.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-ul-phn.xrm-ms.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.id-id.dll.tmp b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe - 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 b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe"C:\Users\Admin\AppData\Local\Temp\b9c3d11b299635763be0c4c0c32c8a7a08d1147c94f085eae24d49a0145a7aa8N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4276
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-3350944739-639801879-157714471-1000\desktop.ini.tmp
- Size 42KB
- SHA256 1a552093e3262295e788d5218ac849d0333e4942186963f9492d587778397b66
- MD5 32e0dc68cd879598f3c8eb5017742a98
- SHA1 29018aba20d02e9e372a581a96c4e738cfc443e5
- SHA512 daf7fbf0126aa6fad3cd0199bc0fd91555370fe76bf27354586f0a52827e1c67c87441075e100079727c791730a7324d3be2dc30c663c1c57a2f04a50669bbc2
- SSDEEP 384:GBt7Br5xjLfAgA71FbhvtPcNOF8F0qOF8F0PDXxhDXxZfsJ:W7BlpDpARFbhmauaLXxpXxQ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 141KB
- SHA256 de2eaa76bd2cc8f1a877f34268e04b8f3ebcda5981b13440910ad233296b0079
- MD5 9674e0167116dc786d9b9da696780767
- SHA1 e9e72b9fcfea6da72f069775311257bd5c2342f1
- SHA512 d1c51525a0fea6595f33a401f7ca9e320938c48987843b846a0b058e0817f3aecd62d3362833d08dd945cdded7326430df9fc904863182ef2d8fcbcce1217160
- SSDEEP 1536:W7ZDpApmauaLXxpXxo4pWHlPEXZzjUq3th5f6utM5vLNinVmWvMu0b2UdpXk+p0V:6DWprxNxDWHIjN3tj6qnv0b2UrXkbvLZ
- MD5 SHA1 SHA512 SSDEEP