Analysis
- max time kernel
120s - max time network
102s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
23/10/2024, 07:31
Behavioral task
behavioral1
Sample
b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe
- Size 99KB
- Sample241023-jcfdraxhna
- SHA256 b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75
- MD5 d1e46c13fdc05c6f826e975797d2c470
- SHA1 2c5f0c7ccae8cb49d599c590ae5e6fb9cf1ab500
- SHA512 4625dbc361734d5476309a1ff91807e19fbdc7d8af799aadd93dafbac83f5f325dd8a3e00f8e9f6ff7d71729edfa7044ba588cc2cc50a54569437e147330e6d6
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5KwCyNYRyNYVQwAqQwAu:fnyiQSox5KwC3VLAqLAu
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4358) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/3856-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b0f-2.dat upx behavioral2/files/0x00140000000228f9-6.dat upx behavioral2/memory/3856-668-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\cacerts.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ppd.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-xstate-l2-1-0.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-ul-phn.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Grace-ul-oob.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ORGCHART.CHM.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Royale.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ppd.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Xaml.resources.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jdk-1.8\README.html.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-phn.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\DismountUnpublish.xltm.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.DLL.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\messages_fr.properties.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jre-1.8\lib\fontconfig.bfc.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-time-l1-1-0.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-ul-oob.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessVDI2019_eula.txt.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-pl.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Grace-ppd.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUICellModel.bin.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsplk.xml.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Common Files\System\msadc\msdaremr.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Controls.Ribbon.resources.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Windows.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ul-oob.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\ReachFramework.resources.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\7-Zip\Lang\bn.txt.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NetworkInformation.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Design.resources.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jsoundds.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\7-Zip\Lang\cs.txt.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\7-Zip\Lang\th.txt.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Csp.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.Primitives.resources.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-string-l1-1-0.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-oob.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-phn.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Loader.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.NonGeneric.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Java\jre-1.8\lib\ext\nashorn.jar.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ppd.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.XmlSerializers.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-pl.xrm-ms.tmp b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.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 b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe"C:\Users\Admin\AppData\Local\Temp\b311f03a5e216872d1f463483a06df3688a3e219c1d7ecfbb3c93c53d78bea75N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3856
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1045960512-3948844814-3059691613-1000\desktop.ini.tmp
- Size 99KB
- SHA256 841de286163392f978fd9b8ed96729ab24aa81d05f2966fea454b2e7c2a3dfbd
- MD5 e91c6510f71a8f62f71ce9b839a5040f
- SHA1 02c18d93ae85a00dc42396fbaa7e893e923c6bbc
- SHA512 783bbb70bb51866f66380269b530e0f1a11143e25009eda3e105393e8b500cdbeb47dfd5e5075231010632ec62af755b348e6cc69d2a4930a056911685078b68
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5KwCyNYRyNYVQwAqQwAM:fnyiQSox5KwC3VLAqLAM
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 198KB
- SHA256 892031d81ea20341142ba1c83210f142af7308aa058151f99e95801ab736c63c
- MD5 8bdddfa3e7ceb521feb871de0224d469
- SHA1 6d38694c8091ac2f7026cc6063e93e59f2271558
- SHA512 d521e5d63c04b2be439ef98c1c45d84d53affb7014a59446ed82134cffa50ab4a1e856e62961205072a510c64cf6baecd8b2efc85f0566bce201cd78401a9955
- SSDEEP 3072:fnyiQSox5KwC3VLAqLANWHIjN3tj6qnv0b2UrXkbvLx:KiQSox5KwgIjNDv0bNXkbvLx
- MD5 SHA1 SHA512 SSDEEP