311400dc4e495d4a1fdec0d6ab172cfb5db0745ce0592f034985e194c3026362

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 16:29

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General

Target

6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
Size

123KB
MD5

6fe9ed56fbfbd8351b9fbaff8d70a722
SHA1

b31c8c0a3728c2effab07cd7db8cf1c408b60c42
SHA256

311400dc4e495d4a1fdec0d6ab172cfb5db0745ce0592f034985e194c3026362
SHA512

7b84a865ad31630fb986f4960d8dbdc3b2804d235d965a9fbd8b8ab5c241bb4f20829c110190555b6aa08db087b698649f0f02d24a545f8501d9484d5f06597a
SSDEEP

1536:67Zf/FAlsM1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCR:+nymCAIuZAIuYSMjoqtMHfhf7H0WH03

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4838) 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/4632-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0007000000023289-2.dat	upx
behavioral2/files/0x0007000000022959-6.dat	upx
behavioral2/memory/4632-1752-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-pl.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesstylish.dotx.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Loader.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-timezone-l1-1-0.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-180.png.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Design.resources.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\lcms.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipstr.xml.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NetworkInformation.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ppd.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-ppd.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ul-oob.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-140.png.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Sockets.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-ul-oob.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-oob.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-140.png.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-PT\tipresx.dll.mui.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ul-phn.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-phn.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\nacl_irt_x86_64.nexe.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Client\vccorlib140.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\bg-BG\tipresx.dll.mui.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshi.xml.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.DiagnosticSource.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.Primitives.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ul-oob.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-pl.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.ReportDesign.Forms.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-180.png.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ppd.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-pl.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\dnsns.jar.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Design.resources.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemCore.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ppd.xrm-ms.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\fxplugins.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7_RTL.wmv.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f4\FA000000005.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClient.man.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Input.Manipulations.resources.dll.tmp	6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe

C:\Users\Admin\AppData\Local\Temp\6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\6fe9ed56fbfbd8351b9fbaff8d70a722_NEAS.exe"
1⤵
- Drops file in Program Files directory
PID:4632

Network

MITRE ATT&CK Matrix

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Downloads

C:\$Recycle.Bin\S-1-5-21-3906287020-2915474608-1755617787-1000\desktop.ini.tmp

Filesize
124KB

MD5
9d49c38feb2405ee24a2f9393761cf1a

SHA1
a14cfebb78c84a64439a1c03ea46b97f29d14df8

SHA256
536ff7f595079f4d86e5873bec98e91b238c4d4e9499dfe7b9c80d106553e074

SHA512
473ecff59cae1a6aa4bc1bb38afa06cd25576bcc2aad7d87a974ffc15d25bf91b9952e47dc71f5449132548a44eec3e384106126436fc5c3247caf28049d992b

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

Filesize
222KB

MD5
26ed574d03c40d514d6d8bd509ebc103

SHA1
9f2955b542a4cf77cc5004d0e0593f52be5e229c

SHA256
3d3fc59617c715a41d62028d4880837cf121fcbe49e84972be6974187ecd3aca

SHA512
e5c25913f6885976cad9a6c05c1f02eebe6da4601875a3b8496b4fba2170ea32cfa2383e2e0c1e7a63c17bb48ca13874e8f3caa09365abbba31bf36fcea10cdd

Download Submit
memory/4632-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4632-1752-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads