Analysis
- max time kernel
120s - max time network
106s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
23/10/2024, 16:17
Behavioral task
behavioral1
Sample
cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe
- Size 71KB
- Sample241023-trc72syhpg
- SHA256 cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9
- MD5 554aa1b1306e6cc2b93f527c71367e20
- SHA1 a77a4b23b4ff959c99e26dfcee7a82f4fb7e8d98
- SHA512 73e661ba8afb04c27b76e6e0cb6d74c1fe9399790858fdaf9090a9435b081f76c610fb6a227a8dae1a062edffd8c9332646fa3e111a55a9a55afd8b6b8e47034
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/xJtLJtTGa:KQSohsUsUKS
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4272) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/4084-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x000c000000023b20-2.dat upx behavioral2/files/0x00040000000228fe-6.dat upx behavioral2/memory/4084-671-0x0000000000400000-0x000000000040A000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TabTip.exe.mui.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Windows.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Internet Explorer\SIGNUP\install.ins.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jre-1.8\lib\management\jmxremote.access.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\7-Zip\Lang\sw.txt.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.UnmanagedMemoryStream.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationProvider.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ppd.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-ul-oob.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\ReachFramework.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Accessibility.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\jre\Welcome.html.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\BHOINTL.DLL.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Aero2.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\glib.md.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ul-oob.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ul-oob.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\7-Zip\Lang\gu.txt.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Parallel.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\Microsoft.VisualBasic.Forms.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\WindowsBase.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ppd.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Security.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationProvider.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-pl.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-oob.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Common Files\microsoft shared\ink\pt-BR\tipresx.dll.mui.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Transactions.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\lib\ant-javafx.jar.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription2-pl.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-pl.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.en-us.xml.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\w2k_lsa_auth.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-pl.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\lib\packager.jar.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-oob.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ul-oob.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-ul-oob.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\STSLISTI.DLL.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-2-0.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\bin\jstatd.exe.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\xalan.md.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-pl.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ppd.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ppd.xrm-ms.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.resources.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InputPersonalization.exe.mui.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Claims.dll.tmp cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.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 cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe"C:\Users\Admin\AppData\Local\Temp\cb4971cde460f6739f75c1545cac7f7b90c3fb6ba8c524f6d7f9c087f47508e9N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4084
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 71KB
- SHA256 7dc68e9e44f3b83475064ff63f77ad5d8e0a400a7386f68378d3b7882e9322fc
- MD5 b45b6518251c3f3d2f9ebab831aff0b4
- SHA1 6d2d516894d80aa46a11f8b5b45fca6b00540971
- SHA512 6d6bf4dda53c6d35863fa424b04fb51ddfd0658825219c95734ff56f63d26a07056622a9e05075a9b0b0d904f0036defe3ae4e5bf966257cc8b8c260d3de7272
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/xJtLJtTGm:KQSohsUsUKe
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 170KB
- SHA256 89fe1e9f7f2499d296f11f777f17e30b20a2dec74cb200662db6be9dcb2636ab
- MD5 6175701228cd53d9e91977ca42d72499
- SHA1 4ea640951d95be5121a18a8491d29f7fb9ce633b
- SHA512 50c092ac3f27f3cded6930fc3fd215f8e01af0b932cc66b1d71765ea9164806c44180db8f4901abbd2a7ce34ae5dc4d2c7005b44b59d29ddcca88d0e91678223
- SSDEEP 3072:KQSohsUsUKjWHIjN3tj6qnv0b2UrXkbvL6:KQSohsUsGIjNDv0bNXkbvL6
- MD5 SHA1 SHA512 SSDEEP