0b1d1d17fa86ad8c706f2585870d4f4176aad9386bad3d2e18263181ec3bdd6a

Analysis

max time kernel
150s
max time network
103s
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 08:21

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General

Target

07744d41c80137486036246082c91bf0_NEAS.exe
Size

135KB
MD5

07744d41c80137486036246082c91bf0
SHA1

2ec77ed1e88aa9daa896ab9a5b88606d0e1cea80
SHA256

0b1d1d17fa86ad8c706f2585870d4f4176aad9386bad3d2e18263181ec3bdd6a
SHA512

04aca2935fb9d2a96d0bf2ce0ce1635255bf9f7608c53dd8dd4c5e81208902f61223f1c1923f0f474486f196492f83823908ac06d2d3097201e076455576f937
SSDEEP

1536:67Zf/FAlsM1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCI:+nymCAIuZAIuYSMjoqtMHfhfGXxXa

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4846) 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/4528-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b3d-2.dat	upx
behavioral2/files/0x0007000000022971-6.dat	upx
behavioral2/memory/4528-1672-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.X509Certificates.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Design.resources.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationFramework.resources.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-pl.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\C2R64.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN010.XML.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.ResourceManager.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Grace-ppd.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\RepoMan.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncVDI_Eula.txt.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-180.png.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ms\msipc.dll.mui.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-pl.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\WIND.WAV.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebClient.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Timer.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.resources.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-string-l1-1-0.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ppd.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.PowerBI.Diagnostics.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\tr.pak.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Banded Edge.eftx.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ul-oob.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-utility-l1-1-0.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-2-0.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\npdeployJava1.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Facet.thmx.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\POWERMAPCLASSIFICATION.DLL.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.tlb.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART4.BDR.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Common Files\System\ado\en-US\msader15.dll.mui.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\lib\deployment.config.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.ValueTuple.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL116.XML.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationCore.resources.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.excelmui.msi.16.en-us.xml.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ppd.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-ppd.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dom.md.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemui.msi.16.en-us.xml.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-pl.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.SystemEvents.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\dtplugin\deployJava1.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-oob.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7wre_en.dub.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ppd.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-pl.xrm-ms.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Dataflow.dll.tmp	07744d41c80137486036246082c91bf0_NEAS.exe

C:\Users\Admin\AppData\Local\Temp\07744d41c80137486036246082c91bf0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\07744d41c80137486036246082c91bf0_NEAS.exe"
1⤵
- Drops file in Program Files directory
PID:4528

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-17203666-93769886-2545153620-1000\desktop.ini.tmp

Filesize
135KB

MD5
c5c6151e5f3ddadc887a903469d5ae51

SHA1
ceb6a2310473a569c56c02cd40795d8fa99f4379

SHA256
51ee97f8c0f64c89ae8c5e8046b88c0eaa389a9c17acc4d2919d69c45e5769c4

SHA512
9ebb549c69f6012617b0283b38c304ef92ef09720028dc7031cee57a595f6e76f22717b5ca7cfadeba55b50a1b97880343262db42ad421a2710686d381ea811d

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

Filesize
234KB

MD5
9b9860caeb2d13b889ff92a69c476098

SHA1
24ee3b1b9113b2cf3532385aa46e06f22ce09654

SHA256
527f2db77f09734ee7171cf7f820e13f3cd7661c5732c02a11bcc42f12d4e4b6

SHA512
3a4b22a4aa3f9edc5bc0d7aff86142774ad52d71988a0e825c6aae9dce2c9fbeae6cea614f40ba0e468b9ab49300ddd93dea807f688a5725a9bd11c04ba1b098

Download Submit
memory/4528-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4528-1672-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads