Analysis
- max time kernel
120s - max time network
100s - 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, 11:03
Behavioral task
behavioral1
Sample
6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe
Resource
win7-20241010-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe
- Size 172KB
- Sample241023-m5t96ayblm
- SHA256 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3
- MD5 3d1610d5f450a13da47450e77981c420
- SHA1 13f6a4651d00bd870dbc09b0558288407c7d1eec
- SHA512 2e941d9ad0e49ba5323753d12e122ad2c4066e4c846cb430c3a0565fb575d9fe3e5af4bd4451c7e1f8ea224fe11d92b233f4c21b54fb4d06003cc284510cf8b9
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY51lnlm17tcj4asI9qfrSZlyzXOt/Z:fnyiQSox51FiLIwuyKhr1nO8
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (2982) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/3884-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b27-2.dat upx behavioral2/files/0x0014000000022905-6.dat upx behavioral2/memory/3884-638-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore_amd64_amd64_6.0.2724.6912.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Design.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Controls.Ribbon.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jre-1.8\lib\net.properties.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Dataflow.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Design.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\management\snmp.acl.template.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsid.xml.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Primitives.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.DirectoryServices.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsFormsIntegration.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-BR.pak.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\javafx-src.zip.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ul-oob.xrm-ms.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.ServicePoint.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-private-l1-1-0.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Design.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-string-l1-1-0.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebClient.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Extensions.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Input.Manipulations.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\include\win32\jni_md.h.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightRegular.ttf.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jre-1.8\bin\sspi_bridge.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Microsoft Office\FileSystemMetadata.xml.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Principal.Windows.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsFormsIntegration.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationCore.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fil.pak.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Xaml.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsFormsIntegration.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jdk-1.8\lib\dt.jar.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jre-1.8\bin\javacpl.cpl.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jre-1.8\lib\security\trusted.libraries.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\System\msadc\msadcor.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-heap-l1-1-0.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.TypeExtensions.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Controls.Ribbon.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Java\jre-1.8\bin\wsdetect.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Banded Edge.eftx.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RInt.16.msi.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsesp.xml.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationUI.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.Messages.dll.tmp 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.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 6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe"C:\Users\Admin\AppData\Local\Temp\6cef8301395c8a013efe78f23124d28f54a0d9f99d6879465f5cfd1cfd7808d3N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3884
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini.tmp
- Size 172KB
- SHA256 02e0bbc578028056ff3af1c55b02c3660185286befa5fbbf471a5e4d1ce67c13
- MD5 5f734a8bceadeca91eefeecfb8df1030
- SHA1 6d911de8aecab1f02b31cd579aa21719cc26bb56
- SHA512 c8866ef5cdbbf37b37e9ae7f0682bc50e14ce8d50ac05c7877a198ddc4808244ea15a07bc89cf2bf9cec87b262f355fe68e7b101e517d9483a739a2384d75f3b
- SSDEEP 1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY51lnlm17tcj4asI9qfrSZlyzXOt/p:fnyiQSox51FiLIwuyKhr1nO0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 271KB
- SHA256 66833d93c83cf5a989f5be61f26152ee585252360c3ae8da1c2aa1d0d057034f
- MD5 bde4fd6bd9b95a62c4ce22dfb85c6e03
- SHA1 efa53fdf9eef666b3a6e49e2dffb5a278ea8b7c6
- SHA512 c079d8c421a7d0d3aa1a16e26fb6ebb863ce626afdd4859eba0b598c480ec6224bfa1f253ef715ebea06e2a8f9fa500516a0a841785e1e649784e2201b4f0a28
- SSDEEP 6144:KiQSox51FiLIwuyKhr1nOhIjNDv0bNXkbvLl:VQtSLIwuycr1KIZGNXkbvLl
- MD5 SHA1 SHA512 SSDEEP