Analysis
- max time kernel
149s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
23/08/2024, 22:46
Behavioral task
behavioral1
Sample
84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe
Resource
win7-20240704-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe
- Size 55KB
- Sample240823-2qadrstcnq
- SHA256 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656
- MD5 560cc9e9a3c20385788b4d93fd0fcbef
- SHA1 bef7164ea7b0ceea7d113881f4ceb04353863ca5
- SHA512 344164482fe1477c2d934ddfe308f2f5699c0940a5f413f14f4c90b3d4ed62c5bd87572ab7d93eaec89a4be43db126d6faf99b2931aa2a755f5e3a294baf914c
- SSDEEP 768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIT:CTWn1++PJHJXA/OsIZfzc3/Q8IZTR
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (5197) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/5028-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x0009000000023449-2.dat upx behavioral2/files/0x0014000000022936-6.dat upx behavioral2/memory/5028-936-0x0000000000400000-0x000000000040A000-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\PresentationUI.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\net.properties.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsjpn.xml.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-oob.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-pl.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLLEX.DLL.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.PowerBI.Diagnostics.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jdk-1.8\bin\ucrtbase.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00C1-0409-1000-0000000FF1CE.xml.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ul-oob.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_f33\FA000000033.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-private-l1-1-0.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Client\vcruntime140.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\URLREDIR.DLL.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Security.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationProvider.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es-419.pak.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected] 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsBase.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jre-1.8\bin\JAWTAccessBridge-64.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ppd.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsBase.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\Office16\OSPP.VBS.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ppd.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.Editors.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\DirectWriteForwarder.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-util-l1-1-0.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\SignalRClient.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN048.XML.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.TypeExtensions.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-ul-oob.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT-Rockwell.xml.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-pl.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ppd.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrjit.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Primitives.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ca\msipc.dll.mui.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Edit.White.png.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\manifest.xml.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\rsod\osmux.x-none.msi.16.x-none.boot.tree.dat.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jcup.md.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunec.jar.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-pl.xrm-ms.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe File created C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.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 84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe"C:\Users\Admin\AppData\Local\Temp\84b52b41af26840816d1ccd474316f3e30f3aab464986ad33777024965ec3656.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5028
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp
- Size 56KB
- SHA256 b20a3ba094b75dcd0932a56987e52dd37c02f98f880f18f01ef1b9b986ece4e2
- MD5 452ef724d5be35173d898f6d04c51798
- SHA1 6ba26627a00effa3a1e31016511873775d36b217
- SHA512 e93ce06366e1751722078591b8cb76f1b9848cd38bfec3142d3260eb39d524a0844fa5343f67410b85619bef70a20ccbe76a9a5e399749584013bc209197c2c7
- SSDEEP 768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFI8:CTWn1++PJHJXA/OsIZfzc3/Q8IZTO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 154KB
- SHA256 e1fd54e124dc49e9ae29c5342a86b8c133e9a62e228ff033933016db5009cb68
- MD5 5df26f6ef0cb68ca5857456040e222c1
- SHA1 f5bcd2299eb81fbc0a3d17f06b0c9774866a3161
- SHA512 edbb6c4fcb9466f75e6d5167393b9fe76058b696e4060a9758bbae937deeff67905e10f666cbaea1a3862ea83f5149003e870d6e5ab9564d31e9a31082af1e63
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8IZTK4pWHlPEXZzjUq3th5f6utM5vLNinVmWvMus:KQSo7ZFWHIjN3tj6qnv0b2UrXkbvLc
- MD5 SHA1 SHA512 SSDEEP