046a2ca5ba92c8f96854c5227db8d7482e9168871a634fd3118ac0bd5454b7e0

Analysis

max time kernel
150s
max time network
137s
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, 14:40

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General

Target

bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
Size

139KB
MD5

bb27fb35339bd74b031a5b1914bc77d0
SHA1

22a392809f53ffdd6662815d96a6dd4810ce0fe7
SHA256

046a2ca5ba92c8f96854c5227db8d7482e9168871a634fd3118ac0bd5454b7e0
SHA512

e32cc3dca8a35bcfd6c118bd050eea5c771a50d61aba6ce9c577d52ca5b925f72bf7592621bc79deb40fee93d0387a3165abe113e82d20d4bac84e4da1665a79
SSDEEP

1536:67Zf/FAlsM1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSC5:+nymCAIuZAIuYSMjoqtMHfhf5Sx

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4782) 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/2064-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b54-2.dat	upx
behavioral2/files/0x000800000002295e-6.dat	upx
behavioral2/memory/2064-1624-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ppd.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\msotelemetryintl.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL011.XML.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceProcess.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsdeu.xml.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-pl.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ul-phn.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ppd.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIA.DLL.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\7-Zip\7zFM.exe.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Accessibility.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ppd.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_COL.HXT.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Common.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Csp.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.Messages.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationTypes.resources.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dynalink.md.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\card_expiration_terms_dict.txt.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy.jar.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Integration\SPPRedist.msi.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ul-phn.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ppd.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ul-phn.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Aero2.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Printing.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jawt.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\lib\hijrah-config-umalqura.properties.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL058.XML.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVManifest.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Specialized.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\npjp2.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ul-oob.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_upe_sdk.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsFormsIntegration.resources.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.Extensions.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\ARROW.WAV.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.VisualElementsManifest.xml.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationUI.resources.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Common.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiItalic.ttf.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-pl.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsyml.ttf.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\BI-Report.png.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7en.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipRes.dll.mui.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.Design.resources.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\jdwp.dll.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ul-oob.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ppd.xrm-ms.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp	bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe

C:\Users\Admin\AppData\Local\Temp\bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\bb27fb35339bd74b031a5b1914bc77d0_NEAS.exe"
1⤵
- Drops file in Program Files directory
PID:2064

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-877519540-908060166-1852957295-1000\desktop.ini.tmp

Filesize
139KB

MD5
9160ea3d084bd4a3458e8a579fb36fd6

SHA1
3d62564b07362d5df44c7805d0c3f8d11840a42e

SHA256
ba7a5f5437c44ca69ba80753ec1af9209d21a9a6fa95eae239dc1c45cad65c0a

SHA512
b8d9e6dacb8679e5c5f057a93181d04c70ba569029f4abfdee882261c4868a940a4a94916f02e5bb2252bde96c9fb3546c4a6c732551fb274336eb7eba864ef9

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

Filesize
238KB

MD5
1f7aeecbaa54f8a92e5c73e1da7ace1d

SHA1
02899b758de437bb91ab9bb6e23c324793685f52

SHA256
b0c3903581a5cdf295bfe59205b2a1887c23575ae9c63b3a335cb92dcba0f9cd

SHA512
739869995eeec6dd87f04b789bcb853bd3e88a35c74ec2fa86dc777e154360ea7fc3e651f84c6b59d23017caa9a76ab112d1fd88b7ab4d78abc67af1b073c177

Download Submit
memory/2064-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2064-1624-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads