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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14/08/2024, 00:04
Behavioral task
behavioral1
Sample
c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe
Resource
win10v2004-20240802-en
General
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Target
c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe
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Size
53KB
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MD5
8f518899e6b3df25a63905615c9fe59c
-
SHA1
ef8556b144861963f35f4bad2de85a4e8a938b90
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SHA256
c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946
-
SHA512
429900d16a979f139c370c3fc98ef8f6b498e2729ceb774dc069a84647d337aadbd5f7ea07576ca3d9d8fc2be49146d14c0c6d69a8342c6ee0c8048a3d594656
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJBZBZaOAOIB3jM2jMHsLzwze:V7Zf/FAxTWoJJB7LD2I2IHsLMq
Malware Config
Signatures
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Renames multiple (5191) 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/4632-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023448-2.dat upx behavioral2/files/0x00040000000228f4-6.dat upx behavioral2/memory/4632-1960-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\System\ado\msado21.tlb.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Serialization.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.config.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jre-1.8\bin\javaw.exe.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Top Shadow.eftx.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-pl.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-pl.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\7-Zip\Lang\tt.txt.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Calendars.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-phn.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Templates\1033\Blog.dotx.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jre-1.8\COPYRIGHT.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-pl.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\7-Zip\Lang\sk.txt.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClient.resources.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Primitives.resources.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ObjectModel.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jre-1.8\bin\dt_socket.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-pl.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN075.XML.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jre-1.8\lib\cmm\sRGB.pf.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jre-1.8\lib\security\trusted.libraries.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.AccessControl.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.resources.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsFormsIntegration.resources.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_pt_BR.properties.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Common Files\microsoft shared\ink\micaut.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-phn.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft\OFFICE\AssetLibrary.ico.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-140.png.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\officestoragehost.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\7-Zip\Lang\sl.txt.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tools.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-pl.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ul-phn.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ul-phn.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\rsod\word.x-none.msi.16.x-none.boot.tree.dat.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.FileVersionInfo.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\local_policy.jar.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\dynalink.md.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\splash_11-lic.gif.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\CancelFluent.White.png.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\thaidict.md.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ppd.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Common.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Java\jre-1.8\bin\klist.exe.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ppd.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ppd.xrm-ms.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL026.XML.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\zlibwapi.dll.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN011.XML.tmp c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.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 c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe"C:\Users\Admin\AppData\Local\Temp\c58efc6a19f930c5c865506be4dc6c70066bb09d6b0061fa69b08741c0532946.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4632
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
54KB
MD5159dab40e8d6bd94786c13a7a6822f25
SHA1cb3b8a5fad7c7c104d02450e08882a7e3f797bb7
SHA2560e9ea73833f2e64c37994c926fd1703afc1bd546a15997fefa6fc5a5c876dc3f
SHA5124683a568e73181ef1bc317602ab83db61450c7d9c8fc02760275dace769b2ffe7cb0e4fdfc6ef481a6735a97396c4ee5ff01a7ada942ea00731f52864f6426dc
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Filesize
152KB
MD5708802501a16dc08a2ce62a3ef6ad8ae
SHA1a681ec69e4144d016590fa095688b153881d1d91
SHA2560ddbb532c7545f89b6d26691f0bb969970f4d07e6b87c77ffed5587d18124fa6
SHA512a7f59f22db2a17170b1d51244d1309c279edfbc6959094b6b6171e36528a4a239e3f8823848f4ada826b4be3518cb62ce967d6fac6b20eaef28c6cc07b94769f