c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39

Analysis

max time kernel
150s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 01:11

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General

Target

c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
Size

34KB
MD5

a6095cd532302b78463bc6cfb09cd1cd
SHA1

80a47f1b04358a34232a1c92fcfae3b632528a0e
SHA256

c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39
SHA512

1bf575b9c3b18a5c6933b1e325d1df4d1853c16bf6e7f9676291d13a80641b42e38c64d3755918369faee545eab01e2214db4df3957d0fd239e084363ad87cb4
SSDEEP

768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5ltKV06:W7ZhA7pApM21LOA1LOl6AKW6

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (5196) 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\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.config.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Csp.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Process.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-pl.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-oob.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ppd.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\7-Zip\Lang\uz.txt.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\host\fxr\8.0.2\hostfxr.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XmlDocument.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClient.resources.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero2.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ul-oob.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NAME.DLL.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Serialization.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClientSideProviders.resources.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClientSideProviders.resources.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-006E-0409-1000-0000000FF1CE.xml.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-pl.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.Reader.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-pl.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ServiceModel.Web.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ul-oob.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ppd.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.Windows.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.deps.json.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Tracing.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwcapitalized.dotx.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7wre_es.dub.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\santuario.md.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\7-Zip\Lang\si.txt.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipstr.xml.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Numerics.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Sockets.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemCore.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Xaml.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Sybase.xsl.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sbicuin58_64.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Principal.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.resources.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\zip.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ppd.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ppd.xrm-ms.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN065.XML.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-math-l1-1-0.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsFormsIntegration.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsBase.resources.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NL7MODELS000C.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jjs.exe.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Facet.thmx.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Layout.dll.tmp	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.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	c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe

C:\Users\Admin\AppData\Local\Temp\c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe
"C:\Users\Admin\AppData\Local\Temp\c00efbd3bba8161e962e82f2d092b7c0d162a3e9f843bbfb39ac7604f9ae3c39.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1784

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
34KB

MD5
e26ffaca596e153e35972d6264c5d6c0

SHA1
5ba7fed074b49a61b419cc11a1ae67673f911f70

SHA256
872b44131802a92005dc4db58243b7bb62ddb16a14c83bd144bad8d99ecdd11e

SHA512
3416ec1dde8d428c844f293f18f634acc95f20db1bafb3d5abb4aaafb8e3f433a6eb58dd97f27999bb7df35916350e9d7b4ef580e15bcc8d75166a706fa9e999

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

Filesize
133KB

MD5
45e33b660baea7c4cd697202d92b7028

SHA1
0842051d9398d754b18c80e8d2d75642741cff45

SHA256
2037ff9d176589b323ca2aa3e6fef4f248cdc7259cbc53c356a80f2e4f5af92a

SHA512
9f8b81b6ec6fe5617aa00e7a0c3bc7dd9321cf194a107420bc78a6513b8b06706ebb805f1ba83e5026caaa41dfb1e20f480aec8ad481a8de2a9c04ed75c3e16d

Download Submit