63d2589a6f40b01c512b72da1348ccb501740a27a8ec3be4edef6765db8bb679

Analysis

max time kernel
150s
max time network
123s
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, 02:59

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General

Target

55e47629a6d2667bc3be22c2d4384480_NEAS.exe
Size

146KB
MD5

55e47629a6d2667bc3be22c2d4384480
SHA1

b0f0c50cc39cf681c5edcf8072109d73fcc4211b
SHA256

63d2589a6f40b01c512b72da1348ccb501740a27a8ec3be4edef6765db8bb679
SHA512

387087a8a088c8754916621d48f03203c75d88b3e5ddfcaf846740d2bd8c85bb3215110370d6bc7c0f70167c3f0d12d1a3b329c613406b107168b1766fd13deb
SSDEEP

3072:+nymCAIuZAIuYSMjoqtMHfhflixisXxXk:JmCAIuZAIuDMVtM/ih0

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4844) 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/1696-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b54-2.dat	upx
behavioral2/files/0x000800000002295e-6.dat	upx
behavioral2/memory/1696-1632-0x0000000000400000-0x000000000040B000-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\api-ms-win-crt-convert-l1-1-0.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr.jar.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ppd.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-oob.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\dicjp.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-pl.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsl.ttf.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE2.POTX.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationUI.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationUI.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ul-oob.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-oob.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesdistinctive.dotx.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLINTL32.DLL.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-locale-l1-1-0.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ppd.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-pl.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.XLA.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.EventBasedAsync.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.cpl.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationProvider.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ul-oob.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ScriptDom.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL044.XML.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN058.XML.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp140.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-pl.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-oob.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN048.XML.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\7-Zip\Lang\pt.txt.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Tools.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\unicode.md.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-pl.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.Extensions.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ul-oob.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-process-l1-1-0.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationUI.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\cs\msipc.dll.mui.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OSFUI.DLL.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.ja-jp.txt.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClientSideProviders.resources.dll.tmp	55e47629a6d2667bc3be22c2d4384480_NEAS.exe

C:\Users\Admin\AppData\Local\Temp\55e47629a6d2667bc3be22c2d4384480_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\55e47629a6d2667bc3be22c2d4384480_NEAS.exe"
1⤵
- Drops file in Program Files directory
PID:1696

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
147KB

MD5
9d790104e69f8d16e022f3c348859477

SHA1
279eb32368a65cd645fcc60762f834c528c20cb6

SHA256
f9c1bf01c1f66c1e3a3b8783aad5dd7bbf6f9950b392dc3d29bd3b62a63ffc4d

SHA512
22b33be56d3ab584dad5f01a1215dfc44ce8e59fff83f619010ca51bf2f5d6460351f53d52c5461888e8eac707103fd8bb645b5bb882c927aa5dbd99225295af

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

Filesize
245KB

MD5
7ebb20aa685e8816c538bc3d8956d63e

SHA1
dfea5df51677f5926cf2da02ef49d7e81dcd6b21

SHA256
059294bcfadeeafc49f4baca3242f1ccc847e08d0a6e70622d3e6a5d11cf3b87

SHA512
1b8a99db4758f6b96d630dd1c2f21b5b4fae146fa4f37695fd799696e2fb55b2265d7fd2cf59d27aeb5f112fb50716eae6185cf09f1752ebb78e967c594c2e45

Download Submit
memory/1696-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1696-1632-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads