Analysis
- max time kernel
120s - max time network
110s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
20/10/2024, 14:44
Behavioral task
behavioral1
Sample
05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe
Resource
win7-20240708-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe
- Size 75KB
- Sample241020-r36ydstdkb
- SHA256 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603
- MD5 6edf7a956919d53fb7eff2ed403622e0
- SHA1 b913e770acd1e62adcd02713c12652ef2cc4557f
- SHA512 5013487a9a902a56af240bbe1dbc3890390deb1cba4f5247d1748daeeda64febc2b689be8f486586e39c8f7e90b8f77b25af41c9a5ff982de8194aa89cd064a3
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/xJtLJtTGo:KQSohsUsUKQ
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4347) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/4068-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x000c000000023b0a-2.dat upx behavioral2/files/0x0014000000022905-6.dat upx behavioral2/memory/4068-778-0x0000000000400000-0x000000000040A000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-environment-l1-1-0.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ppd.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-phn.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Common Files\microsoft shared\VC\msdia90.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationTypes.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ppd.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Calendars.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationProvider.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\default_apps\external_extensions.json.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\7-Zip\Lang\mk.txt.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\netstandard.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ul-oob.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_HK.properties.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ul-oob.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.CSharp.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Encoding.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jre-1.8\bin\keytool.exe.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-oob.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationProvider.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jre-1.8\lib\cmm\CIEXYZ.pf.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationCore.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Design.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\dxil.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jre-1.8\bin\javafx_iio.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Dataflow.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationFramework.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jre-1.8\lib\jce.jar.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0409-1000-0000000FF1CE.xml.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ppd.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.CLIENT.CORE.DLL.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebSockets.Client.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ul.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2iexp.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\7-Zip\Lang\ro.txt.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Office16\DBGHELP.DLL.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Design.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-PT.pak.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Grace-ppd.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-oob.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\7-Zip\Lang\fa.txt.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.Core.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XmlDocument.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Xaml.resources.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipssrb.xml.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebClient.dll.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.runtimeconfig.json.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8.mp4.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms.tmp 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.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 05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe"C:\Users\Admin\AppData\Local\Temp\05a5a3711d4dc95406cb2e25735f655fd581a1dfd7c0fb24baac68b893a99603N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4068
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-4089630652-1596403869-279772308-1000\desktop.ini.tmp
- Size 75KB
- SHA256 1d8156905c602ba468db9728e59492e543c6dccd8a2f9afd42c7a8f46a1d920b
- MD5 8595962fa09d02c1cde9bafc47929219
- SHA1 db24160a4b2c2f92fb1a7c4e16b76cbfc97c134f
- SHA512 a61505957aa99ff9d2b2be7556143d1ded710bfd27f12c85dd69aa65448148599f774482e4b042a7752ea7956bfeced341bc5219a2a4713a3c72a408848a74f0
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/xJtLJtTGH:KQSohsUsUK/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 174KB
- SHA256 decd124729afe186d1c6705763df9cdeee490a5f06d1f2c91161af90d2855762
- MD5 fe608f8705e1e9f76970d560cba30cf8
- SHA1 b990a7aba4715b00b6269383afc43b0063064d7c
- SHA512 09cc4ada5f3c17c6248de15c33b024bdd568e566949cf8645fe36bca5a7b0f47ee478ca0c7ff188e9db65354458e892ec65ef5d278a90ed8003fbc0a94425e30
- SSDEEP 3072:KQSohsUsUKVWHIjN3tj6qnv0b2UrXkbvL6:KQSohsUswIjNDv0bNXkbvL6
- MD5 SHA1 SHA512 SSDEEP