Analysis
- max time kernel
150s - max time network
98s - 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, 11:55
Behavioral task
behavioral1
Sample
67618355bebedb29f3a126481478abc0_NEAS.exe
Resource
win7-20240419-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
67618355bebedb29f3a126481478abc0_NEAS.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
3 signatures
150 seconds
General
- Target 67618355bebedb29f3a126481478abc0_NEAS.exe
- Size 108KB
- Sample240507-n3traahd62
- SHA256 e427d260283909e8618ef129621bf3f74d708ebd04cf3b28d13bae2dcbe1d046
- MD5 67618355bebedb29f3a126481478abc0
- SHA1 ca8ce30b4518f10715467c5a4be8a933b288c434
- SHA512 a4e2d1d33e79c32b2efde0705da47a63947d74eff8c1c4da1e9cc3e3802654cff7ca8ce0a51e87bae89792da12d676b803fc0293459cd54bab7bda1af6db889f
- SSDEEP 1536:Isz1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCow8hfOj:hfAIuZAIuYSMjoqtMHfhfw
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4911) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/4664-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x000e000000023b89-2.dat upx behavioral2/files/0x0007000000022971-6.dat upx behavioral2/memory/4664-790-0x0000000000400000-0x000000000040A000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Design.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationClientSideProviders.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\ReachFramework.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-pl.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsptb.xml.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOARIANEXT.DLL.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-addtotable.png.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationFramework.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Java\jre-1.8\lib\jfr.jar.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ppd.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ul-oob.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebHeaderCollection.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-oob.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-100.png.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\ONBttnIE.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.uk-ua.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\msspell7.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ppd.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\BIPLAT.DLL.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\lt\msipc.dll.mui.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL104.XML.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-conio-l1-1-0.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ms.pak.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Java\jre-1.8\README.txt.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ppd.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Loader.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\am.pak.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Accessibility.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-pl.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Java\jre-1.8\bin\w2k_lsa_auth.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Banded Edge.eftx.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\he.pak.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\hi.pak.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ppd.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Diagnostics.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Design.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\CLICK.WAV.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Controls.Ribbon.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui.xml.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Design.resources.dll.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_HK.properties.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-phn.xrm-ms.tmp 67618355bebedb29f3a126481478abc0_NEAS.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-17203666-93769886-2545153620-1000\desktop.ini.tmp
- Size 108KB
- SHA256 37e3fd86555bd7473ecc6c93e82940a470aaffa1af57af6014a5add301932053
- MD5 aacb103d9ddadc97504b94b34e4bc17f
- SHA1 569b8367c6e82d2218a6092a4b271bfe5dce6f3d
- SHA512 7c52f8b35e3a85eba1c86d84b3b3723826f599cebfecb848e64b9db1e37339616c11a4f9e21bee2b23463a3d135ca6fbc2b76e844925fdffb3acb17906460246
- SSDEEP 1536:Isz1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCow8hfO8:hfAIuZAIuYSMjoqtMHfhfn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 207KB
- SHA256 abff2c8da730565d937a3acfb2b14e1465af36135d266ed15e8dba8ee0ce8368
- MD5 1f5b7836db6c9b914bd39ff9d11e2843
- SHA1 fc9f3bed6362a2cd677d82b3c7360c6bbcb62704
- SHA512 ace55b72ea977aec2683b456cec6d22c942b5d49bedda9fc456d6c199d59abfea8db442b19500b382b3fcb315a81cd570e8b23d05ce742d9a8829783eeb82cd0
- SSDEEP 3072:hfAIuZAIuYSMjoqtMHfhfCWHIjN3tj6qnv0b2UrXkbvLp:hfAIuZAIuDMVtM/fIjNDv0bNXkbvLp
- MD5 SHA1 SHA512 SSDEEP