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Analysis
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max time kernel
120s -
max time network
98s -
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, 10:52
Behavioral task
behavioral1
Sample
77a0d9c8ac29df3229cbaa9738f77340N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
77a0d9c8ac29df3229cbaa9738f77340N.exe
Resource
win10v2004-20240802-en
General
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Target
77a0d9c8ac29df3229cbaa9738f77340N.exe
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Size
80KB
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MD5
77a0d9c8ac29df3229cbaa9738f77340
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SHA1
e120df75e837a84a532af69162306968c22a1ea7
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SHA256
08f7a84b4bfb8ebb081e5bc2a98fd3610e7e01ad6d0e3cb13e6536632e636508
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SHA512
dce5e7aa2a97df7cafdf56ba230fafadf75334eabd27d7fcc1a2a5189a73c87cc4745a473b9d89a04eeb392d0dacdf4e97fca5d9067ebb7033a7cd25b9a30ad2
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SSDEEP
1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZTj:fnyiQSo7ZP
Malware Config
Signatures
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Renames multiple (4372) 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/1664-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0007000000022aa5-2.dat upx behavioral2/files/0x0004000000022922-6.dat upx behavioral2/memory/1664-798-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Extensions.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\7-Zip\Lang\ar.txt.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\System\ado\it-IT\msader15.dll.mui.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunec.jar.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Office16\concrt140.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy.jar.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ul-oob.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.config.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nb.pak.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\sspi_bridge.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ppd.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ul-oob.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Internet Explorer\en-US\hmmapi.dll.mui.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Internet Explorer\es-ES\iexplore.exe.mui.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ul-phn.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jre-1.8\lib\net.properties.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sk-sk.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\deploy.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\java.security.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ppd.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\sunmscapi.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\7-Zip\Lang\mn.txt.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\msix.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\DisconnectUpdate.js.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.EventBasedAsync.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Principal.Windows.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClientSideProviders.resources.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationCore.resources.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\thaidict.md.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-pl.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymsl.ttf.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\OMICAUTINTL.DLL.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000008\FA000000008.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\7-Zip\License.txt.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Primitives.resources.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ul-oob.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-ppd.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ospintl.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.kk-kz.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Encoding.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\prism_common.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\AppXManifest.xml.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-pl.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\microsoft shared\ink\mraut.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ul-oob.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-ul-oob.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-phn.xrm-ms.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Common Files\System\msadc\it-IT\msadcer.dll.mui.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Primitives.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoDev.png.tmp 77a0d9c8ac29df3229cbaa9738f77340N.exe File created C:\Program Files\Internet Explorer\sqmapi.dll.tmp 77a0d9c8ac29df3229cbaa9738f77340N.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 77a0d9c8ac29df3229cbaa9738f77340N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD5dc422220f4c35b7e90dcaaca9c483036
SHA139824f97a2d1b4e62aaea4b97ce30e1805443133
SHA256d908669bda5b183f2eaff34568ef3c65c185202f74a829abfef6597c04839d0e
SHA512838f5a0dcd132f9655d26e476e31865c03cdd8ebca038f6561e6f7131fcb5d47765b4b3c6621f996e436c81c68bb8011adcdd5af17be0c930ac93c6e48dcce55
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Filesize
179KB
MD5460411a74790d123ed102b10598b5316
SHA1725b752fc825e068993c6feef71b8d959e6cd798
SHA256a65e2c750ab7b7a7803c820c0ef25bb2735fc9c0fe7c69e90718891f39b7fa80
SHA5126d9417177edc23d879e73e66d08640e0bdf4ed46b26e30d2673858132b71063940048399f55c785be248197de97e8dd04d83893a20e928360a187c1c0d30b1c2