0b0806dc61cb1c06de905e755a6668687c34935ffd0598174e347cc91a4dc5a6

Analysis

max time kernel
149s
max time network
100s
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, 06:48

Sharing

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General

Target

86feaa3de8121530a8da66c37e873290_NEAS.exe
Size

183KB
MD5

86feaa3de8121530a8da66c37e873290
SHA1

eb2fc25345357ea5813b0efafde1bd020b95376c
SHA256

0b0806dc61cb1c06de905e755a6668687c34935ffd0598174e347cc91a4dc5a6
SHA512

e271c84411a781485c96ea756ed158e30dc83555a7dc637eddf33bbf80ca20438b3ad2183f27fa50e9738019d1b15ee0185ba4ca5261c795354c5bcc1522e5bd
SSDEEP

3072:+nyiQSo1EZGtKgZGtK/PgtU1wAIuZAIu+:JiQSo1EZGtKgZGtK/CAIuZAIu+

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4825) 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/4556-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b41-2.dat	upx
behavioral2/files/0x0008000000022972-7.dat	upx
behavioral2/memory/4556-1644-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer2019_eula.txt.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\ReportingServicesNativeClient.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.Local.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationUI.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\zlib.md.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul-oob.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-100.png.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationCore.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Loader.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-oob.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OUTLFLTR.DAT.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NameResolution.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-pl.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-pl.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ppd.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\VVIEWRES.DLL.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationTypes.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Xaml.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clrjit.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ml.pak.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-oob.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.DLL.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_K_COL.HXK.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.Core.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationUI.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-ppd.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Native.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Parallel.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationCore.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\AUTHOR.XSL.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightItalic.ttf.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ppd.xrm-ms.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.DataAnnotations.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.HttpListener.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clretwrc.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Primitives.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationProvider.resources.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages.properties.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_upe_sdk.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Integration\SPPRedist.msi.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYMK.TTF.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\BCSRuntimeRes.dll.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f4\FA000000005.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLLEX.DLL.tmp	86feaa3de8121530a8da66c37e873290_NEAS.exe

C:\Users\Admin\AppData\Local\Temp\86feaa3de8121530a8da66c37e873290_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\86feaa3de8121530a8da66c37e873290_NEAS.exe"
1⤵
- Drops file in Program Files directory
PID:4556

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2860750803-256193626-1801997576-1000\desktop.ini.tmp

Filesize
183KB

MD5
00673ae9bf519893972ba1e54d8771f8

SHA1
d1c2770ff0ad05e01a2b1392729b7886c9c47bb6

SHA256
882c9f58c8eb512230bd19d80d7597c3ea921129bfbbc5b6f1db1d7e2aa2c826

SHA512
c836c40f5c30b27aeda9cc335135b90ed45bbb04a1308c6b164ffe268b6bc9e336968b1b2262e0de66aecf3b9533f2dbe1a0b8c33f363d69a3a3702d348dbc3c

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

Filesize
282KB

MD5
108a2d75d92ce543ffe95203e0027c64

SHA1
1203c6505e0d12c38f5b7e4bbb9f6cf1d2e84d8d

SHA256
a38d54f043ec81acda02ae0151a4b64501f4cbb0b1d7a27db1565777ecea4492

SHA512
9ba6e68972c9e997844e778e04782598719b1ad55fb37cb86d51f3c6b9d9167b853f659de3c9173328d95b1847f096a5d5503c5f08a1a81d304a7ffc6dcb2780

Download Submit
memory/4556-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4556-1644-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads