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Analysis
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max time kernel
119s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 18:07
Static task
static1
Behavioral task
behavioral1
Sample
a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe
Resource
win10v2004-20240802-en
General
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Target
a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe
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Size
38KB
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MD5
904f02cf7a94c9aa73ea66150ab376b0
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SHA1
118e72d9f86c996f4b8eda20cc86659f85ddd4b4
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SHA256
a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118
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SHA512
8893a47a2ec6230824d9936f2ef563e44528829695a1d4812261ef00b81d4277b838239b332fe0b2b977bcde2afb92803d778c16b66b4dbfa9399f0154da3959
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SSDEEP
768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5lt4V0IhAFV2RuH22V0IhAFV2RuH2Q:W7ZhA7pApM21LOA1LOl6AE0IhAFV2RuQ
Malware Config
Signatures
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Renames multiple (4670) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\PUSH.WAV.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-ppd.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\IEAWSDC.DLL.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-pl.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.Lightweight.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Configuration.ConfigurationManager.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jre-1.8\bin\jsoundds.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\7-Zip\Lang\id.txt.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Controls.Ribbon.resources.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-oob.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Design.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ko\msipc.dll.mui.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationFramework.resources.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesstylish.dotx.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\CHAKRACORE.DLL.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\GKWord.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Mail.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemCore.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.Interfaces.DLL.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-140.png.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\[email protected] a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-pl.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ul-oob.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-pl.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\OpenSSL64.DllA\openssl64.dlla.manifest.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.resources.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jdk-1.8\bin\jjs.exe.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\xmlresolver.md.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\en-us\msipc.dll.mui.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\Client2019_eula.txt.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.ThreadPool.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsBase.resources.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-namedpipe-l1-1-0.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\msix.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sv.pak.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ppd.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Thread.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XmlDocument.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Classic.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\unicode.md.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EntityPickerIntl.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\7-Zip\Lang\an.txt.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encodings.Web.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.CSharp.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationTypes.resources.dll.tmp a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe"C:\Users\Admin\AppData\Local\Temp\a4f3bd7a2900cfaf2652923d5d72bd101c3116dda2fb9801ada1251b451f2118N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4012
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD549d740aba1bc6b31bda3f47043517a12
SHA13e96d69a19d1d483201bb83812f43f979c2f97ff
SHA2563fb78fd12180cdb53ec5906a18468ccf4dfdc7860f6e6dd68a6d693298fcf306
SHA51281e78e424639dff618d24c67aefdf4858df4dc7ab8d3058f9772bf2c37552e012142963c9304729cc32891ad3afff8f2da1940655e66fdc0d728348a0e1305e4
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Filesize
137KB
MD534919869832e115a1c4c92260f182035
SHA182602995b2f86940a4c3ecd9831900b4db2a966e
SHA256ca9600460a6a370c284a92399cd64599b8edd05d18cf74ba3952b68a549c27b8
SHA512bae8db9326a1099139cabd8986d7b2015c30b8807f48377a818e2ead1a17fd3361d4a567db674b84f3d221ed75ab85846d34719c3115a7edf931ea0d828bd571