efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 04:21

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Report Analysis Logs

General

Target

efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
Size

41KB
MD5

a55dad015c1d39ae1ac33d3e689f7d7c
SHA1

f415d345205be34d9772efcfd452de8915d42cbd
SHA256

efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77
SHA512

b516da1bd286dfea7a34fe7e2495543379982a91f5fa2af73aa07ac3edeabee1d9f2f985493cb7ebbfdf0366ede4a39a9087a33c629e528939e941eb9b0e17f1
SSDEEP

384:yBs7Br5xjL8AgA71Fbhv/FzzwzSuuazk34Iuuazk34gZ0ZP:/7BlpQpARFbhNIduv4Luv4gZ0ZP

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (5339) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\Logo.png.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsFormsIntegration.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\default.jfc.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ul-oob.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ppd.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-oob.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7FR.DLL.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.Windows.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\LICENSE.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqlxmlx.rll.mui.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Shims.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\7-Zip\Lang\tr.txt.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-ul-oob.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-80.png.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote-PipelineConfig.xml.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\DataModel\Cartridges\orcl7.xsl.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-cn.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Dataflow.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\D3DCompiler_47_cor3.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\C2R64.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ACEODTXT.DLL.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jopt-simple.md.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\npdeployJava1.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Java\jre-1.8\lib\fontconfig.bfc.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-140.png.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-pl.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-100.png.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-stdio-l1-1-0.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.DataAnnotations.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.CodePages.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Tw Cen MT.xml.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-phn.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\glib.md.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ppd.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\PresentationFramework.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoCanary.png.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Java\jdk-1.8\bin\msvcp140.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ul.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fi-fi.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationFramework.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationProvider.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0000-1000-0000000FF1CE.xml.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.MDXQueryGenerator.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Trial-ppd.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-conio-l1-1-0.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Xaml.resources.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial4-ul-oob.xrm-ms.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore_amd64_amd64_6.0.2724.6912.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\DirectWriteForwarder.dll.tmp	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe

C:\Users\Admin\AppData\Local\Temp\efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe
"C:\Users\Admin\AppData\Local\Temp\efe6ae2462fe4e8d135dc8499b111e109e4e45a2d60b8899f8d3a35df8d94f77.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
42KB

MD5
5cddaaa96702bb79dba48822adeafbc8

SHA1
8cf5082679ff78f68fd158fc1a07807848a18565

SHA256
c920f20a9c95cd7336e77918b2e94aa23ce1caf519f6ea3a5cf04c47baf1fa54

SHA512
adbc4de82c7dd3795b23a7eba4ad08ddcae4375f53d6dd61bfefb438a8ef88a253cdff11679afcaf26b3219182a4cbbc0ace7dc72504ab0389642154951dafb0

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
140KB

MD5
bb2e659e2298a9ba1340461b30fd53a0

SHA1
2907e80777ddb6492976c0990d97651977b3ca00

SHA256
7457d2f4583263a9d25e7c4204ca8e19a0f9110d3c04cf46354ab48646f45bd1

SHA512
b2fefa9bfc43ff53807fc33c141ba3920175f4ce859d3527dc063e696d4c387c1027d242309049759aeec24118ae909ae7741cfbc6bb5deebe2b2fe2dfe6ea3e

Download Submit
memory/4876-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4876-2028-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download