Analysis
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max time kernel
150s -
max time network
103s -
platform
windows11-21h2_x64 -
resource
win11-20250502-en -
resource tags
arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/05/2025, 10:04
Behavioral task
behavioral1
Sample
7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe
Resource
win11-20250502-en
General
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Target
7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe
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Size
152KB
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MD5
d3d0b83acb1010b38bd7b4c9c6d2a4c9
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SHA1
44af10e830257831f5ea90be0c74fc0b1fa43510
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SHA256
7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2
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SHA512
562fc402f086946c40d14ae0a684db35b9f6a7bf24d6d74c17c9a05a194d3f4fabddda0e2f6f24cbadb63f74d5beb9e52933492cbabda128dd665373e7dbb807
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SSDEEP
3072:spWpkqcPZkxjRbMl2k7ueySZl/L52hRDdfYh6qtz7wqLTfzv/q:NWNZkxB82k7uRST/2RDdAh5lRLLu
Malware Config
Signatures
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Cosmu family
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Detects Cosmu payload 2 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000d00000002aca1-1.dat family_cosmu behavioral2/files/0x00040000000270eb-5.dat family_cosmu -
Renames multiple (4870) 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\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-pl.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\msvcr120.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Runtime.InteropServices.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\WindowsBase.resources.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-pl.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-100.png.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\PPCORE.DLL.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-pl.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.Extensions.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-80.png.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-180.png.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientEventLogMessages.man.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Dynamic.Runtime.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\System.Windows.Forms.Primitives.resources.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ppd.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-pl.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN020.XML.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ru-ru.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\TabTip.exe.mui.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-process-l1-1-0.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ul-phn.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\System.Windows.Forms.resources.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationProvider.resources.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140_2.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-pl.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-ppd.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Grace-ul-oob.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\PYCC.pf.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-oob.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Design.resources.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Milk Glass.eftx.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.AppContext.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterBold.ttf.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\LibCurl64.DllA\OpenSSL64.DllA\zlibwapi.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\Microsoft.VisualBasic.Forms.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Java\jre-1.8\lib\tzdb.dat.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\MINSBROAMINGPROXY.DLL.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-heap-l1-1-0.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Cryptography.OpenSsl.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.resources.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Threading.AccessControl.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOARIANEXT.DLL.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nl-nl.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.deps.json.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\cs\System.Windows.Input.Manipulations.resources.dll.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe File created C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER.XLAM.tmp 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.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 7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe"C:\Users\Admin\AppData\Local\Temp\7e70754070a194ddbaeb7bb830aac040f676bc9b2aa1a5022e36c8c97c212da2.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5628
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
153KB
MD5eb4acdc8e275e8b1c4ac6935da483e85
SHA11052bef5b4be1e18299c9e490cc1f0163dd4515b
SHA2560d5463f0c1142649da66ad332efc11962cb29076cf5f8ccd4db778a46317f508
SHA512d0000f0e14aa70afed58e105bca610953be3d81e35e96cff43cad031e0c15996346e51b1d18c4fc2135574e52633336f24b6928123565b6e9449eb5f350679b1
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Filesize
234KB
MD5a189d66535fe1a9ee0efc0c675dde9e0
SHA1afa30d62ccd383f941c2f3e9adcd3cb00f83056b
SHA2562c987d74a9d686bc3c733b6e2713a26fc7e6fee45e110b9f2d93703caa563318
SHA512586bc44b0fe5a9fcae7b0e13415ec6893e7d376959bd228eed9a2c4fe3401c2364b799ae792bab45c94312409b6cca8488dccb2b18b7cdcebd3f18e29adcdb82