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Analysis
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max time kernel
150s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30/09/2024, 22:17
Behavioral task
behavioral1
Sample
83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
Resource
win10v2004-20240802-en
General
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Target
83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
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Size
104KB
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MD5
cd8a2dc7f9f74a91fc610fa861e1c7f0
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SHA1
b4420067ea0021a1ad7ac2927a7115f49839c31d
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SHA256
83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0
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SHA512
3690b210210bcd7e23a3de3cf99a4e8718f44e51c3ab00792b208418ad93f36d141d2a91eaa1e2d61485d4b9a1aeecdb1186dfef487c527e24f18d4cdcca8c40
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SSDEEP
1536:V7Zf/FAxTWoJJZENTBTYhQmTW7JJZENTBTYhQGfQN/Nr:fny1tEuQFtEuQGfQN/Nr
Malware Config
Signatures
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Renames multiple (5051) 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/1580-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x00090000000233f3-2.dat upx behavioral2/files/0x0014000000022912-6.dat upx behavioral2/memory/1580-910-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri Light-Constantia.xml.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Input.Manipulations.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\dt_socket.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-pl.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-140.png.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\OSFPROXY.DLL.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Threading.AccessControl.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Handles.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationTypes.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXmlLinq.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial Black-Arial.xml.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office-client15.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.FileVersionInfo.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-pl.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-pl.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.TypeExtensions.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Controls.Ribbon.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ppd.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ppd.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ppd.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ppd.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\ReachFramework.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ul-oob.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationUI.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationTypes.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkDrop32x32.gif.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-phn.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\OFFSYML.TTF.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\7-Zip\Lang\tt.txt.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Common Files\System\msadc\adcvbs.inc.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_company.png.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Send2.16.White.png.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Immutable.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsBase.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.CodeDom.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\7-Zip\Lang\mk.txt.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Design.resources.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-pl.xrm-ms.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXC.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.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 83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe"C:\Users\Admin\AppData\Local\Temp\83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1580
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
104KB
MD5e95bba6815d630799d614be756f4233d
SHA1647a0b63905978cef239a174d0868698a3cd291b
SHA256cb7390fe5216beabb16518006d91f373ba10300d28e5c4b547ea85b8905c4469
SHA5120b6244afae2d32cb0a37a2fe93ade4b1f9a7e78e2d7cd9e7f9c727b0b5eff5eadf8ab9f7739bcd08b8974d6106fe934cf256fcce33baa7bcd74fb2bb7f02fd3b
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Filesize
203KB
MD55c9c929581351805a112e90695dde257
SHA158b74869147c1a08746909da15692c2bf97bbf6e
SHA25612b8a58036cf2a6edbf41b693e4b983ebdae19a7dc1f56c0b2d81b7bd312a9da
SHA5121c82a086ca5cc45c59165a01fb8a1d10056d147a2fffa287a09770de379a9ca0d2431b73140e8101488a8f1e8b481eea3e4f7cc2bde1ff74151364e92fd3529b