Analysis
-
max time kernel
150s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 23:48
Behavioral task
behavioral1
Sample
8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe
Resource
win7-20240704-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe
-
Size
58KB
-
MD5
4814b36d18929fbe352597d378322ccd
-
SHA1
6e0d2e85ca93c2c3f21a668571b0c56bad1fa04d
-
SHA256
8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b
-
SHA512
d4ce571837442c8342a323d86394efe377968f0315a599b4b7cc5de9f4739283afa9d19bb91693963dc6568d7942a20f9a248ddab749d408b3a76021d6d0326d
-
SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/6m0md/:V7Zf/FAxTWoJJZENTNyl2Sm0mdnwN+
Score
9/10
Malware Config
Signatures
-
Renames multiple (5171) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/3456-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000900000002340c-2.dat upx behavioral2/files/0x0004000000022922-6.dat upx behavioral2/memory/3456-1892-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Office16\MSOHEVI.DLL.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.Messages.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationFramework.resources.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jre-1.8\lib\accessibility.properties.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Retrospect.thmx.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ko\msipc.dll.mui.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipshe.xml.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.Unsafe.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-phn.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ppd.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Intrinsics.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\libffi.md.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-phn.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.Edm.NetFX35.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\microsoft shared\ink\he-IL\tipresx.dll.mui.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jdk-1.8\jre\Welcome.html.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Controls.Ribbon.resources.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Common.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ppd.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-pl.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ul-oob.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ppd.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ARIALNI.TTF.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.DataAnnotations.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jre-1.8\bin\orbd.exe.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\msgr8fr.dub.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationProvider.resources.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Garamond-TrebuchetMs.xml.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-100.png.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsFormsIntegration.resources.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\DocumentFormat.OpenXml.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Delete.White.png.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\gstreamer.md.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ppd.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationProvider.resources.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Grace-ppd.xrm-ms.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-180.png.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngom.md.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.AddinTelemetry.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jdk-1.8\bin\javaws.exe.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Xml.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\calendars.properties.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-locale-l1-1-0.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7FR.DLL.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-cn.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.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 8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe"C:\Users\Admin\AppData\Local\Temp\8f1c7c7b0914e7a1cff6c5db9aaf7e590001d5855a4dbca846da424dd1855b6b.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
58KB
MD5c2193208ac9890c14956c549edd63a52
SHA1593cbdc19efd0a0697828a73873d21cef6a0fa00
SHA25622a94b3d3d560515d9a841dea1fa23192eae4296076169cf831fe14194bacdd2
SHA5127d99ba400fe95853d98f2728e09403e3bdd604aae017449d56f1ca227c198f7df5bb880b7b5d1a075b2a74246e69f0e90da009d9e6dc42e435bbf046a9b67035
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Filesize
157KB
MD5a5ff9857111c244a66595ddc860514d7
SHA13d34aca0004282768404f101000cefb9cdf7c47e
SHA2566764e2c2c361755a1b610e392fca79902d3351b99254d7228c2b71931157b508
SHA512e70bc59f86b276c9c9ddb381bc161aacb5db7a1094b970900642a78dafb8b62386b7cfbf5607ab52bf4bb9c36d0e9adeccc65aeab3994dee6089bbcfd9811f9e