Analysis
- max time kernel
120s - max time network
103s - 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, 17:20
Behavioral task
behavioral1
Sample
2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe
Resource
win7-20241010-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe
- Size 71KB
- Sample241020-vwpmbascln
- SHA256 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2b
- MD5 2f4446495c34b4795bc04b7c26e10270
- SHA1 734d41a95ad439f8e7a1e14145a45caa0adae11f
- SHA512 456652db25abd47052c19ce033b64e26894093f6518fe6e5aab15df7cb59c7ee655e6926d92ee2cf04dd39f0d61882bcfb6bb7c50579910f1dc539d5e6984a7a
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8zxY5RWxh3:KQSox5A
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4536) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/1284-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x000c000000023b08-2.dat upx behavioral2/files/0x001400000002291d-6.dat upx behavioral2/memory/1284-715-0x0000000000400000-0x000000000040A000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es-419.pak.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jre-1.8\lib\ext\sunjce_provider.jar.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-pl.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-100.png.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-80.png.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\keypadbase.xml.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jdk-1.8\bin\schemagen.exe.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-ul-oob.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\Configuration\config.xml.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\ARROW.WAV.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.RegularExpressions.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\gu.pak.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-convert-l1-1-0.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-ul-oob.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.SapClient.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.COMMON.DLL.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msdaremr.dll.mui.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClient.resources.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jre-1.8\lib\psfont.properties.ja.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-pl.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office-client15.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-phn.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\lpc.win32.bundle.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\vcruntime140_1.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\icu_web.md.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-pl.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-oob.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jre-1.8\lib\ext\jaccess.jar.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiBold.ttf.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-pl.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\7-Zip\Lang\en.ttt.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.resources.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-100.png.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\classlist.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\unlimited\local_policy.jar.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-ppd.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsFormsIntegration.resources.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-oob.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ul-oob.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-pl.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-180.png.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-140.png.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationCore.resources.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Java\jre-1.8\release.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ppd.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\7-Zip\Uninstall.exe.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-processthreads-l1-1-1.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.dll.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ppd.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ppd.xrm-ms.tmp 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.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 2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe"C:\Users\Admin\AppData\Local\Temp\2fecaa3f8ebfaf9490661bcd326d30b250d00a515518a912bf9148d97d45fb2bN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1284
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-3756129449-3121373848-4276368241-1000\desktop.ini.tmp
- Size 72KB
- SHA256 275554761e2244b57beaf3f3c577b0275378641571cf0d8d0d628a7ca433f76e
- MD5 c70f907acf103f162d6edaca3d24e734
- SHA1 bbdee233bb2d9e0121ea7090e4a7146920c00a6a
- SHA512 52e6cabbd7b39cb95f56e45c2d6c75a582b075aefdf3c1b4b7a331b21e63ffa0afee37c9e1cda59c8084226d627bfb4f5291faf9a088e93e40df7a91f7f27a92
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8zxY5RWxhz:KQSox5M
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 171KB
- SHA256 2c7280f1d24e47461032d8c98d9f88837a8b70e50c2733ad9b83784d58eff725
- MD5 79430a8f08accfb1d981c1646489f33c
- SHA1 16037953e222630f8528924ded0c744aa5ac3eda
- SHA512 092001b5528dd79bca17350b230ec71667b0faee032ec12597e5a4e83bc95eec28d6885ddefbb2adef47dbc253db10044bff2a0f821b5e9a9883c067f64fa804
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8zxY5RWxhq4pWHlPEXZzjUq3th5f6utM5vLNinVD:KQSox5AWHIjN3tj6qnv0b2UrXkbvLd
- MD5 SHA1 SHA512 SSDEEP