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Analysis
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max time kernel
120s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/09/2024, 03:54
Static task
static1
Behavioral task
behavioral1
Sample
77743c73980c15d1229a8ad3914f70d0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
77743c73980c15d1229a8ad3914f70d0N.exe
Resource
win10v2004-20240802-en
General
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Target
77743c73980c15d1229a8ad3914f70d0N.exe
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Size
50KB
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MD5
77743c73980c15d1229a8ad3914f70d0
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SHA1
a41292ef8455b3a44a9926a60d9ec0129ef63a77
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SHA256
c6c5e016dc6e7a2da2632ed55fafac6e2b23e2a5a24f2d7d5912f273f0c901cc
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SHA512
7e69804b8d4cb2ed0a44ba175914ba84cdda6cfa4ce172b5017d3c3a40aaa84b8c2bef2db9ec18339327b8aa3ca0af22ab3b249ca4d483eecb2a9bae60903b00
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SSDEEP
1536:W7ZppApBULcfpHLcfpyDoAQeLeAeLeJ0z:6pWpBwchcwDO
Malware Config
Signatures
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Renames multiple (4677) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\7-Zip\7-zip.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationProvider.resources.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorrc.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Sockets.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jre-1.8\legal\javafx\icu_web.md.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jre-1.8\lib\ext\nashorn.jar.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\VVIEWRES.DLL.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\7-Zip\Lang\ru.txt.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Primitives.resources.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0000-1000-0000000FF1CE.xml.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-80.png.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\MEDIA\ARROW.WAV.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7_RTL.wmv.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ul-oob.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jre-1.8\COPYRIGHT.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_Grace-ppd.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ppd.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-140.png.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jdk-1.8\bin\serialver.exe.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxslt.md.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\libxml2.md.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\mscss7cm_es.dub.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jre-1.8\bin\zip.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHSAPIFE.DLL.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Uri.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\WindowsFormsIntegration.resources.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\deployJava1.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jre-1.8\bin\vcruntime140_1.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\SharedPerformance.man.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Common Files\microsoft shared\ink\nl-NL\tipresx.dll.mui.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Common Files\System\ado\msado28.tlb.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-0.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-pl.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-pl.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000050\FA000000050.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ppd.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-pl.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-pl.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\7-Zip\Lang\eo.txt.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Common Files\System\msadc\msadds.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessBasic2019_eula.txt.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationTypes.resources.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-pl.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ul-oob.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\InstallDisable.vssm.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\unpack.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.DataWarehouse.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\7-Zip\Lang\ug.txt.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.da-dk.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Queryable.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsBase.resources.dll.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ul-oob.xrm-ms.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad.xml.tmp 77743c73980c15d1229a8ad3914f70d0N.exe File created C:\Program Files\Java\jre-1.8\lib\security\policy\limited\US_export_policy.jar.tmp 77743c73980c15d1229a8ad3914f70d0N.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 77743c73980c15d1229a8ad3914f70d0N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD5b1e86bc269add8ae59ecba4b33ee4125
SHA17c3154fbde1dfe94e95d3637946f5a9bbb346b20
SHA25626a41037a00ec8ad04994538f5b4b32c62b37e2ee4eb384b5f948017597931c6
SHA512659414550449097a1417a30301db57a21f10be76c7926c3cd9368021fad83ac44fe025ada99a25d37b44f4356e2d583e112dcac202be30f5ffc5d20a1883730b
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Filesize
149KB
MD508d4655dbc07896857e36610f9dae97d
SHA182f9faec49bea3c91646ba24df0657c6b9b02351
SHA256c2bda699335f805f7d27632fba6a6ee4d16f296b51069eb26b64d37d8cad9ece
SHA5126420100c0ca538cfb624c1fd33a9aefe41a968ed82f482c03aebf741020668cc07a4329dfee838ee26f2fe36c747771b9ab79a179b25b56750058b1481853bee