Analysis
- max time kernel
120s - max time network
108s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
21/08/2024, 06:25
Behavioral task
behavioral1
Sample
b8d25310db95f1d2e816277996086830N.exe
Resource
win7-20240708-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
b8d25310db95f1d2e816277996086830N.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target b8d25310db95f1d2e816277996086830N.exe
- Size 173KB
- Sample240821-g6waystepf
- SHA256 bbd9a85e03ae148b0b0fc5f4b190dde4ea869f6e8a451d15b1d5f0069f682f5e
- MD5 b8d25310db95f1d2e816277996086830
- SHA1 1ba1ea782457573f477e4b773081793c8d7a94f7
- SHA512 9f33ad60bc952b3209b48b903728e6fdc88bf0859a72b9c344c5561987d2666ed2720eb1ad84b829dcba8db69c5cc38969a0bf281b10bf6a7192b3d17f96e232
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZf2XcqvcYtTWn1++PJHJXA/OsIZfzcf:fnyiQSo7Zf2XDQSo7Zf2XJ
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4139) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/408-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000900000002341e-2.dat upx behavioral2/files/0x0014000000022936-6.dat upx behavioral2/memory/408-754-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.MemoryMappedFiles.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ppd.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ul.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ppd.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Linq.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Xaml.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-handle-l1-1-0.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ppd.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\7-Zip\Lang\ps.txt.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jre-1.8\lib\fontconfig.bfc.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-ppd.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jre-1.8\lib\amd64\jvm.cfg.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Common Files\microsoft shared\ink\el-GR\tipresx.dll.mui.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Common Files\System\ado\msado20.tlb.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationFramework.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoBeta.png.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationTypes.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2iexp.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XPath.XDocument.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fa.pak.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.Primitives.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsFormsIntegration.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\PYCC.pf.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-pl.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationUI.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-oob.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ul-phn.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Times New Roman-Arial.xml.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ppd.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\TelemetryDashboard.xltx.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsFormsIntegration.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-string-l1-1-0.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2native.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jre-1.8\bin\jp2ssv.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-pl.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.v4.0.Utilities.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ppd.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Primitives.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\PresentationCore.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-pl.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-pl.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Common Files\System\wab32res.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\messages_sv.properties.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\word2013bw.dotx.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.resources.dll.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ppd.xrm-ms.tmp b8d25310db95f1d2e816277996086830N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Calendars.dll.tmp b8d25310db95f1d2e816277996086830N.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 b8d25310db95f1d2e816277996086830N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp
- Size 173KB
- SHA256 de333bb6b32a143d7a2b54a0140827ae6ecca6db838854d1137070e0750eba4a
- MD5 561ef958d7360a5e6711c8067f533694
- SHA1 245100d3d085c83f1eb64215b018330be84279e8
- SHA512 17de7dce5750fa584d83ff6ddf522f3f023edb3e0e4348601001781cf1ff539b57c462ce3078fe5af035264bf452602bdcea666e778272124cab124a60f4201a
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZf2XcqvcYtTWn1++PJHJXA/OsIZfzcY:fnyiQSo7Zf2XDQSo7Zf2Xq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 272KB
- SHA256 a4491aabe746def7686c04419ff316051602485722258b4977bb46045c4de7dc
- MD5 be7008fc9fb5b561bf3ef539a7b9d9a1
- SHA1 4bec05fe6e42cda0adb60047da424d87f23c50d5
- SHA512 c251cc0c11e8ac6a852c3a6cc8d7d0c717d44769ab9e3fabb902c585bea6b6b6af90fe3853e6698172a5fcd81ce1990f478061f26bc1cdacf52e8c62562d6ad0
- SSDEEP 3072:fnyiQSo7Zf2XDQSo7Zf2XxWHIjN3tj6qnv0b2UrXkbvL9:KiQSoV2TQSoV2WIjNDv0bNXkbvL9
- MD5 SHA1 SHA512 SSDEEP