Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system - submitted
16/06/2024, 01:38
Behavioral task
behavioral1
Sample
b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe
Resource
win7-20240508-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe
Resource
win10v2004-20240611-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe
- Size 77KB
- Sample240616-b2f3kstgnc
- SHA256 b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27
- MD5 4daa9ffd6f32ffc6772fac0bc1eb6e1f
- SHA1 c591a81569fb21c2af96df85e30eaf0574ed1d06
- SHA512 2bda0959cd03ab2b29e50ab0bb17e9eccc6e61203df76a511610de229bf28a6b56b80396b47e3fa5870b7f87f2ca98d50527dfbfeaadda140aec3e1c961a0cb4
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8B:fnyiQSoi
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4844) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/4384-0-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/files/0x0006000000023298-2.dat UPX behavioral2/files/0x0008000000022999-6.dat UPX behavioral2/memory/4384-1706-0x0000000000400000-0x000000000040B000-memory.dmp UPX -
resource yara_rule behavioral2/memory/4384-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0006000000023298-2.dat upx behavioral2/files/0x0008000000022999-6.dat upx behavioral2/memory/4384-1706-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationProvider.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Design.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\ta.pak.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jre-1.8\bin\mlib_image.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_f2\FA000000002.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-100.png.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL083.XML.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClientSideProviders.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-ul-oob.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Outlook.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationClientSideProviders.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\centered.dotx.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Asn1.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ja.properties.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-pl.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-runtime-l1-1-0.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrenUSlm.dat.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\TelemetryDashboard.xltx.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Resources\1033\PowerPivotExcelClientAddIn.rll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Security.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationTypes.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_pt_BR.properties.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\US_export_policy.jar.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E1-0409-1000-0000000FF1CE.xml.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Xml.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunpkcs11.jar.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fontconfig.bfc.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ppd.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\sr-Cyrl-BA\msipc.dll.mui.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorlib.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Xaml.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\release.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-oob.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\zh-CN.pak.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\sunmscapi.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsBase.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClientSideProviders.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ppd.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ppd.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL104.XML.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-phn.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-phn.xrm-ms.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_f4\FA000000005.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationUI.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationUI.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\110.0.5481.104.manifest.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\public_suffix.md.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Common.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp b539ce07d60bc827975950ce6c9f2f05e07ea8e006da499a91f1143639633e27.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2447855248-390457009-3660902674-1000\desktop.ini.tmp
- Size 77KB
- SHA256 bde649590a4a3c0ae833e24d77555cc9c82ed1ef4215e27704eea0457163d326
- MD5 6c30c393ebba88ed6e8cd8d6d5640129
- SHA1 bcd60525133fa6cac437267d83e23b165766e4a5
- SHA512 1687daea2286298668a4eba7333feea68ac168010c629ddf8bc6c1c37fbcc96e3ac23c3ea355e7de1e670b0b7c042defd7019b15b3e313238cced17c06741d95
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8V:fnyiQSoi
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 176KB
- SHA256 3d5074a9dd06a705b0a66eee9ece280eb0bc960564ccb74a854454f3504de87c
- MD5 918c07fe92695f50173a670bf6e70495
- SHA1 02ca78ecec752ef22ded523fc66f5ce03238c3e7
- SHA512 f583a05e57c85f404c783ab019804bea5b7f9cbf56ba987ad69f439c6ef60db410ad046a5df897cf54b80fa2a1a2b81846c406fcd6420fd4a308d8596c9b1510
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q834pWHlPEXZzjUq3th5f6utM5vLNinVm3:fnyiQSoPWHIjN3tj6qnv0b2UrXkbvLe
- MD5 SHA1 SHA512 SSDEEP