344e0948073f3488f4ad763acde0f18e26a8cccf9e2e7f3b527be251a3019fc9

Analysis

max time kernel
150s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 16:00

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General

Target

d2de29815d551375518385f3c2a9ab60_NEAS.exe
Size

136KB
MD5

d2de29815d551375518385f3c2a9ab60
SHA1

840cac4ed0c6462d3c0bedbce80878d669237dfc
SHA256

344e0948073f3488f4ad763acde0f18e26a8cccf9e2e7f3b527be251a3019fc9
SHA512

ba4d7a961c9b51ab6d2ee22e8f83f078137ee4dd48849b2e78ed492bb0037c82edf2730724ad7b7284ee225130c42adc087120f0fa3f3b7895c10b54627f7046
SSDEEP

1536:67Zf/FAlsM1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCD:+nymCAIuZAIuYSMjoqtMHfhfGXxX1

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4841) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4364-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000e000000023b8a-2.dat	upx
behavioral2/files/0x0008000000022969-6.dat	upx
behavioral2/memory/4364-1684-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\Microsoft.VisualBasic.Forms.resources.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationTypes.resources.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiBold.ttf.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-pl.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\D3DCompiler_47_cor3.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSSRINTL.DLL.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\MSIPCEvents.man.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSVCP140_APP.DLL.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationProvider.resources.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.Primitives.resources.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0409-1000-0000000FF1CE.xml.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ppd.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jmap.exe.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jcup.md.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ppd.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-pl.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.Json.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-synch-l1-2-0.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ppd.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL086.XML.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-interlocked-l1-1-0.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationFramework.resources.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OleDbInterop.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OUTLFLTR.DAT.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ul-oob.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\imjplm.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Core.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-pl.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ppd.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.v4.0.Utilities.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excel-udf-host.win32.bundle.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MYSL.ICO.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\cldrdata.jar.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Constantia-Franklin Gothic Book.xml.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-pl.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Document Parts\1033\16\Built-In Building Blocks.dotx.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-100.png.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClientSideProviders.resources.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\wsdetect.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.common.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AdeModule.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sr-Latn-RS\tipresx.dll.mui.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\netstandard.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\WindowsFormsIntegration.resources.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstat.exe.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\cacerts.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_socket.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-80.png.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-CA\tipresx.dll.mui.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Json.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsFormsIntegration.resources.dll.tmp	d2de29815d551375518385f3c2a9ab60_NEAS.exe

C:\Users\Admin\AppData\Local\Temp\d2de29815d551375518385f3c2a9ab60_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\d2de29815d551375518385f3c2a9ab60_NEAS.exe"
1⤵
- Drops file in Program Files directory
PID:4364

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2818691465-3043947619-2475182763-1000\desktop.ini.tmp

Filesize
136KB

MD5
424bf97b4537c22bc8ea8b6b1390bfeb

SHA1
3fc509db1bef91926d7e19aa6a4f90e1aa7595ae

SHA256
473d340bc0b2216525de8d283bc52f6b0f5d1d540fbc86ae94db1819e1f76d6f

SHA512
8dc4c290ee7f39d72c4bbf27a3ae7199739120b83b28ab4070f2f3b6ef1ea0984b3f43c9def8d2d8cc4643638f5aa708987ddfa3b209f55bba21d32daca3ae57

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

Filesize
235KB

MD5
cb8da7dc1fdf73d4e0604661df16c361

SHA1
49c5883712996effeb00ff9a434fb8ba17a71c09

SHA256
b23c8ea9812cde7f839d0ff31768450425e7f52cb2bc8f6d552e4b5a22cc378d

SHA512
f39bb5115dee81d0c1103563eb78f6a9820c5a51bc28001d9049156d893739bdf4bb4d0ed1a9bb5d2d7532d0a2c4e910ecda9abbf71fbc61a93b53a4982ac734

Download Submit
memory/4364-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4364-1684-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads