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Analysis
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max time kernel
120s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 18:04
Behavioral task
behavioral1
Sample
40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe
Resource
win10v2004-20240802-en
General
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Target
40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe
-
Size
62KB
-
MD5
c72f32078c5f064f491a66614f01f1c0
-
SHA1
91ac450f835b162c9d5acf4f7d57facbe61c7593
-
SHA256
40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3
-
SHA512
0521007872b5ab284ac503f714830e4e945968bb80e0325ada8c60ff1c7cbe0c56223c3bcb36ea40b8635685bcf5ebcfffc6aa9ccac87d20a879eb599f6cd74d
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SSDEEP
1536:V7Zf/FAxTWoJJZENTBAOIfmKJfmKMTNT9:fny1tE7
Malware Config
Signatures
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Renames multiple (4654) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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resource yara_rule behavioral2/memory/3144-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000900000002346f-2.dat upx behavioral2/files/0x000f000000022902-6.dat upx behavioral2/memory/3144-914-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Design.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ul-oob.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ppd.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.SystemEvents.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.CodeDom.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Xaml.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10_RTL.mp4.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-oob.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Gallery.thmx.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-100.png.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-multibyte-l1-1-0.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ur.pak.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\dcpr.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jre-1.8\bin\splashscreen.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.HostIntegration.Connectors.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ppd.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ipcsecproc.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\STSLIST.CHM.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansDemiBold.ttf.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Trial-ul-oob.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ppd.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ppd.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-ul-oob.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ppd.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Input.Manipulations.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\libpng.md.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jdk-1.8\lib\javafx-mx.jar.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymt.ttf.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-80.png.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ja\msipc.dll.mui.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationFramework.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-1-0.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\PYCC.pf.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-xstate-l2-1-0.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jre-1.8\bin\javaws.exe.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ul-phn.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-pl.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\SIST02.XSL.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Timer.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.IO.Packaging.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-pl.xrm-ms.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\ZeroByteFile.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Dataflow.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsFormsIntegration.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Design.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationUI.resources.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe File created C:\Program Files\Java\jdk-1.8\bin\jli.dll.tmp 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.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 40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe"C:\Users\Admin\AppData\Local\Temp\40f43363b314535479d5e7accb80d1daa364de7370f4d23e108b8346450e40c3N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3144
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
62KB
MD5e0f138864c2f05ff3306b3d7404310cb
SHA1778e8bbffed5b818d862b8e03d899b03b397adcb
SHA2567b99028635eb353663ae6807a8e8053fdaa4f9c31b4924072de8d86ca013c2d3
SHA5126e7f717758967ebe2f92c056e6fecfa80edfc76ca9bd0c10b883d92b1742dcac787ee9b4dcc502419a51e4a2b76bb2bdf566a8817b808c30afb2f014ddb20d3c
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Filesize
161KB
MD5340d5f6f058322b2fae9e9dd6013207b
SHA166c54eef7fa074707886d377b807c5a092c75278
SHA2569840b25fac26127413b1771e0b27c04853e69ff4c6d4983c7b56f30d2a8c3ee4
SHA512bc14a39ce71d6adabc959e9dff38f618071b40262b57d71abfae69ba2bcfac5ed5b2b1c80fc9b0d3712ba698f237817f6b0b9b0f0a9cbd0d8d7f584d7708cb52