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Analysis
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max time kernel
120s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/09/2024, 01:01
Behavioral task
behavioral1
Sample
fb8e850a1e520c79c12e30ab183f1870N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fb8e850a1e520c79c12e30ab183f1870N.exe
Resource
win10v2004-20240802-en
General
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Target
fb8e850a1e520c79c12e30ab183f1870N.exe
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Size
129KB
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MD5
fb8e850a1e520c79c12e30ab183f1870
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SHA1
688b600d6f8da4a85a28ab29ad035b36a49291fc
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SHA256
5e8a415aa6fd51b42dbb073559b64d213c223dd080e06efffa8779a2311b2b78
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SHA512
5200eb4fc9e02c47e4f496a6fb786527e6cbb739f318fea808d42fb6a7a1795b5a1e755f17ce90634b70f8ade8843d3255e9d848af4f11f36408a46c510a7f59
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SSDEEP
1536:V7Zf/FAxTWoJJZENTBWv36DidAz9gmHXwDNn5e24sPP4FmIFOTpWqhVAqKVxmq:fny1tEevW4ABKeCPwFmnpWqhVAqKVxb
Malware Config
Signatures
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Renames multiple (4367) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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resource yara_rule behavioral2/memory/1032-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000b000000023416-2.dat upx behavioral2/files/0x0004000000022933-6.dat upx behavioral2/memory/1032-852-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationProvider.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pl.pak.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-pl.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-synch-l1-2-0.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-tw.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Buffers.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClient.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red Orange.xml.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Xaml.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ppd.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ul-oob.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\WindowsFormsIntegration.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ul-oob.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ul-oob.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ppd.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationProvider.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Configuration.ConfigurationManager.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\giflib.md.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-ppd.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-pl.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ppd.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipshrv.xml.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Transactions.Local.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\PresentationUI.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\da.pak.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ul-oob.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Common Files\System\msadc\msdaremr.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.CLIENT.CORE.DLL.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\gstreamer-lite.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.SqlServer.Types.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\APASixthEditionOfficeOnline.xsl.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\InitializeOpen.easmx.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Java\jdk-1.8\include\win32\jni_md.h.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ppd.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ul-oob.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationUI.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClient.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-oob.xrm-ms.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.el-gr.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-debug-l1-1-0.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ObjectModel.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationProvider.resources.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\XLINTL32.DLL.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Common Files\System\it-IT\wab32res.dll.mui.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp fb8e850a1e520c79c12e30ab183f1870N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.tmp fb8e850a1e520c79c12e30ab183f1870N.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 fb8e850a1e520c79c12e30ab183f1870N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
130KB
MD57d86ab1e706edda5f612ccf5215db767
SHA1e13dc86e5dc63f18d1640570ffd25901a87723db
SHA256fb0d30a5266a5fb41c6923b3655e7a2cd6e315a981fec438c1f6a4a53e2173ec
SHA512c1f1f6251659eddf4394313d4944cf768a155e7dfa3d1253b4b5555c646dd124bf7114eac02e8646f7166de0459e0f203e185cccb4de8344f7732d3910eb7f7c
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Filesize
228KB
MD5388a25676b610f7ffb59063dce608329
SHA1307144aaed74b373fbbb645bf52b369d0c7eb215
SHA2560a6febbec6ce31b7f378343d8c3573f61a7982bf25ce8f41c50642b75ddd5b03
SHA512d8b88dd251ec0957f22c42378e8ec740b5e1fb3a609058a8b18e5d9823c6fe2bd6900cd292db7ea9f9551b7e851a10a8c7bdef3cc265eecf40620e75bd3321f8