Analysis
- max time kernel
150s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
14/11/2024, 00:14
Behavioral task
behavioral1
Sample
8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe
Resource
win7-20241010-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe
- Size 44KB
- Sample241114-ajftes1lew
- SHA256 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93
- MD5 b7ff6c01f4d64914f84732923e764481
- SHA1 4bd3217ae0ebd131235260fd9119780ef6162713
- SHA512 0bf28d1405fbf256f2eafb1fd405343d493b157940b6bbbcb485cacf966997e5d7e314a25bef3e808265a2e23882e88c0e233ee215d5275e6118f35abb3f5c84
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATB2mI:V7Zf/FAxTWoJJZENTB8
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4720) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/3376-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0009000000023c11-2.dat upx behavioral2/files/0x0004000000022916-6.dat upx behavioral2/memory/3376-654-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ul-oob.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-pl.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.resources.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-pl.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ul-oob.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ppd.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\INTLDATE.DLL.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Common Files\microsoft shared\ink\IpsPlugin.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Common Files\microsoft shared\ink\dicjp.bin.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ja\msipc.dll.mui.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Controls.Ribbon.resources.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoDev.png.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\mscss7wre_es.dub.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-2-0.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\npdeployJava1.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jre-1.8\lib\ext\nashorn.jar.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.TypeConverter.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\ReachFramework.resources.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-ul-oob.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ATPVBAEN.XLAM.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-localization-l1-2-0.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Client\msvcp120.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Common.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Paper.xml.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-oob.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.AddinTelemetry.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GostName.XSL.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote.ini.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.VisualBasic.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\AugLoop\bundle.js.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jdk-1.8\bin\servertool.exe.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jre-1.8\bin\bci.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-pl.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Linq.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\hostpolicy.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-phn.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelCombinedFloatieModel.bin.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-140.png.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.VisualC.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\lcms.md.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Primitives.resources.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationClient.resources.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jre-1.8\bin\dt_socket.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub_M365_eula.txt.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.deps.json.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.Primitives.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Controls.Ribbon.resources.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\local_policy.jar.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-process-l1-1-0.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XDocument.dll.tmp 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.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 8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe"C:\Users\Admin\AppData\Local\Temp\8cb58a9060e306f03eeb0e5d83ec79a104f8ef69a8fd740604ee695de1a25b93.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3376
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp
- Size 44KB
- SHA256 d340c06fa82dd291d6a765e7f4d414e3cf9a28afcaba7b2c8949bbac83d80656
- MD5 67253d3d5b165fbf286601f23a4bfdb5
- SHA1 299ea1b0348a1b83a16c688eacf3ef9df3b93fa1
- SHA512 b51ae040133742894f7291bfe66eec2471f3e9178d10e75c2ff252de13773a2ceefd6494f15b27329d3de91edecc8cf40b9e6acf900dfd496f0f738c3121f8e8
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATB2mQ:V7Zf/FAxTWoJJZENTB8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 143KB
- SHA256 890e8db8e7c535d22c9db2b8c30b39a6c9c271eaf7fd1b77309f0fb2e5aefedf
- MD5 8e37a6fe17b44486f9df6d408d296cd2
- SHA1 a0389d7a59a2a27dedcbcd364021d0da5e32f14e
- SHA512 63333189e1a910df92ccf74db72684d7459f8f5e6f14115d3233c83751fb58ce1f0264ff3d6d81d081a054758f2ba6e4ecd85e12bf760536124723210769935a
- SSDEEP 1536:V7Zf/FAxTWoJJZENTBW4pWHlPEXZzjUq3th5f6utM5vLNinVmWvMu0b2UdpXk+pp:fny1tEVWHIjN3tj6qnv0b2UrXkbvL0
- MD5 SHA1 SHA512 SSDEEP