Analysis
- max time kernel
120s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
26/07/2024, 20:08
Behavioral task
behavioral1
Sample
4e04f83633f3e889ff7b5e1df60a2060N.exe
Resource
win7-20240704-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
4e04f83633f3e889ff7b5e1df60a2060N.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target 4e04f83633f3e889ff7b5e1df60a2060N.exe
- Size 65KB
- Sample240726-yw1lcssalp
- SHA256 f09649c5e3c85268ede8cb7286e2fa98d70cf68384c22ec297599ba61b729f81
- MD5 4e04f83633f3e889ff7b5e1df60a2060
- SHA1 f5cdc58816a041cb9c9e3a5cb9f61eb3fe41af0d
- SHA512 2b3d350cf8ba6f136bf2398a1c1ba9de1646347059fef01d161b79be9ab8b6155c27532425befd17f2973cae741f4e6e57e220af4aba0cce831f07716ef705ed
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8NCuXYRY5I2IhyNxyNj:KQSoDuXuv3h2x2j
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (2055) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/3096-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x000900000002341d-2.dat upx behavioral2/files/0x001400000002292d-6.dat upx behavioral2/memory/3096-396-0x0000000000400000-0x000000000040A000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Design.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsesp.xml.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Sockets.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\7-Zip\Lang\sl.txt.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\System\Ole DB\sqloledb.rll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Xml.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Contracts.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.Primitives.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Uri.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\VisualElements\SmallLogoDev.png.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationProvider.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationUI.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClientSideProviders.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationUI.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\TabTip.exe.mui.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Xaml.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.Registry.AccessControl.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsBase.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ar-sa.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationTypes.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\System\msadc\msdarem.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-convert-l1-1-0.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Primitives.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsFormsIntegration.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClient.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Dynamic.Runtime.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.Writer.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClient.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ink\tpcps.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Handles.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.InteropServices.RuntimeInformation.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\lt.pak.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Internet Explorer\images\bing.ico.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-pt.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.AppContext.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\glass.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\7-Zip\Lang\ka.txt.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Metadata.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Parallel.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Intrinsics.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Xaml.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationTypes.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad.xml.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Dynamic.Runtime.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\7-Zip\Lang\pt.txt.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.et-ee.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Primitives.resources.dll.tmp 4e04f83633f3e889ff7b5e1df60a2060N.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 4e04f83633f3e889ff7b5e1df60a2060N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-1750093773-264148664-1320403265-1000\desktop.ini.tmp
- Size 65KB
- SHA256 5cf00ca8b5ec6163d54599bd6b08d5cc7dd6155e02289b0666b71eb870e8cc84
- MD5 dc8765dd4464a62d8142fbf0fe0d2454
- SHA1 d4bd7bd29dffbd55d8116c400bc2303dabb3b182
- SHA512 55be4edb1bf44bdfd6d2bbf7cdae0e6a9fc563b61060e24d57793f4c4d175030f66ae77d2c9229eb4ac88108dea3bbc936efa7a94804816b204f0cebd99b0c23
- SSDEEP 1536:CTWn1++PJHJXA/OsIZfzc3/Q8NCuXYRY5I2IhyNxyN7:KQSoDuXuv3h2x27
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 164KB
- SHA256 906da29dccb26da5d2fc7f98c495024748ad7eb16f6a8683e945a30b788b7d8c
- MD5 3950aa5524a7e44f058f7600057596a6
- SHA1 5118cffd4d3a5ab6add168e7754647001931736f
- SHA512 eab09d9b4c8860c9ac0bff292a133bd04a82dd56c928f750f0c2e6fdb55e6af71dd728a3cdbb05c834634b537ab36dde16629800530f3579ad68ebbb4fcee865
- SSDEEP 3072:KQSoDuXuv3h2x2jWHIjN3tj6qnv0b2UrXkbvL+:KQSoDuXup2x2QIjNDv0bNXkbvL+
- MD5 SHA1 SHA512 SSDEEP