4936a634826ddca9bc9b8d8de917807bd57180573b5513169b2593c6ac8683bc

Analysis

max time kernel
150s
max time network
128s
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, 15:00

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General

Target

101983689056079d72d041886f5b30a0N.exe
Size

98KB
MD5

101983689056079d72d041886f5b30a0
SHA1

5151f6f44fe197097674d4c1065562c1ab90b233
SHA256

4936a634826ddca9bc9b8d8de917807bd57180573b5513169b2593c6ac8683bc
SHA512

692358764c435bfc752dbc866af230c6b1d95b5f55a72f47988faeb3f047a30b1ee50f8ab30a6be3f317842d3a2d49c14e69e6333c73f225c55f7f226f4d327a
SSDEEP

3072:69WpQEoTdc6e6kvNDck7Tdc6e6kvNDcksh/UxYnM3:nSTdc6e6kvNDck7Tdc6e6kvNDckyUxYS

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4986) 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\Common Files\microsoft shared\ink\ja-JP\rtscom.dll.mui.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Metadata.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses\c2rpridslicensefiles_auto.xml.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ppd.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri.xml.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEAWSDC.DLL.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Concurrent.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ValueTuple.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationCore.resources.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONENGINE.DLL.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\lv\msipc.dll.mui.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Primitives.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\msgrammar8.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.TextWriterTraceListener.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Buffers.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcor.dll.mui.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcer.dll.mui.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Transactions.Local.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ro.pak.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-synch-l1-2-0.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.resources.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ppd.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-80.png.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Microsoft.Office.PolicyTips.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.DataStreamer.Excel.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.VisualBasic.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.resources.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javap.exe.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ul-phn.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelTellMeOnnxModel.bin.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ANALYS32.XLL.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\TipRes.dll.mui.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.XDocument.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Grace-ppd.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-pl.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONBttnWD.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.ThreadPool.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationProvider.resources.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationProvider.resources.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.VisualElementsManifest.xml.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.OpenSsl.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ppd.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_K_COL.HXK.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.resources.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\COPYRIGHT.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-pl.xrm-ms.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Office.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.Design.resources.dll.tmp	101983689056079d72d041886f5b30a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TelemetryLog.xltx.tmp	101983689056079d72d041886f5b30a0N.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	101983689056079d72d041886f5b30a0N.exe

C:\Users\Admin\AppData\Local\Temp\101983689056079d72d041886f5b30a0N.exe
"C:\Users\Admin\AppData\Local\Temp\101983689056079d72d041886f5b30a0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3084

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
98KB

MD5
85390eec1fab9b206694794ffdb5462d

SHA1
220d06893a685e1fd49eb9789ef5b16c24b9dbd8

SHA256
692a69486c4b537417e2dfdb451897e3eddf4138c950ddf9438c8e277bdf99fc

SHA512
1fdfae8028599b1cb41f97e21a35088c3a92dce92c19f9004f6ba74752ea586bc9424ddbcc61f0ae9cab92af9ba30c5f62b7151138a80ac19887f621cd05ff3f

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

Filesize
197KB

MD5
289a2c1f810af66c257271c430cbce71

SHA1
9d100c118b80ce70c3d7ed810341d837991e3724

SHA256
a093084eaa63b8b65384f4e961a432343535453cad4aa13d1edd53262b9b9859

SHA512
c2236d67acb931c865f804d59b764027f85d6c762f18dff914b619c5d4c8417682bf602afeb3d86babe6df720f44a831661d71a3159298c4f155687f5e45efd7

Download Submit