Analysis Overview
SHA256
5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730
Threat Level: Known bad
The file 5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730 was found to be: Known bad.
Malicious Activity Summary
Cosmu
Cosmu family
Detects Cosmu payload
Renames multiple (5197) files with added filename extension
Drops file in Program Files directory
Unsigned PE
System Location Discovery: System Language Discovery
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-06-05 08:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-06-05 08:18
Reported
2025-06-05 08:20
Platform
win10v2004-20250502-en
Max time kernel
149s
Max time network
139s
Command Line
Signatures
Cosmu
Cosmu family
Detects Cosmu payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Renames multiple (5197) files with added filename extension
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Annotations.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ul-oob.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\en\LocalizedStrings.xml.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-140.png.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\MSYUBIN7.DLL.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l2-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub_eula.txt.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-localization-l1-2-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\bin\verify.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\lib\logging.properties.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\UIAutomationProvider.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\ThirdPartyNotices.txt.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL016.XML.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\WindowsBase.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ul-phn.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\sdxbgt.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ul-oob.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-180.png.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.VisualElementsManifest.xml.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad.xml.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-locale-l1-1-0.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-pl.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\DBGHELP.DLL.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\7-Zip\Lang\si.txt.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Claims.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Templates\Presentation Designs\Maple.gif.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Xaml.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-phn.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\vfs\Fonts\private\GARA.TTF.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-pl.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\tipresx.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Metadata.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationTypes.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Google\Chrome\Application\133.0.6943.60\Locales\uk.pak.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ul-oob.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-pl.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-oob.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-100.png.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Forms.resources.dll.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL115.XML.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL121.XML.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ppd.xrm-ms.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Median.xml.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\GR8GALRY.GRA.tmp | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe
"C:\Users\Admin\AppData\Local\Temp\5934cff0f61cddf065e22f543aeb40ec01239be80303e810b4eb324425579730.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| NL | 142.250.27.94:80 | c.pki.goog | tcp |
Files
C:\$Recycle.Bin\S-1-5-21-3951986358-4006919840-1009690842-1000\desktop.ini.tmp
| MD5 | 69ec2f997c5b3d6c07d361b18b674319 |
| SHA1 | a500149b3e9771fbe8c654c689c264d69d557e03 |
| SHA256 | f4361bc0c8e52c27d3b5e8c063a932537b0df5f883eddc752ef6a2b9c7402374 |
| SHA512 | 2944b5aacd3e172f6c1046f5de52c021e523041c59d4c230574293997d9af80ab3c9f050a33b512b34763f85f0f51132fdc779297a63196a29ee032edeed3056 |
C:\e871de07eca81c0a47\2010_x86.log.html.tmp
| MD5 | 704f11eec3c8a26caecdf92247dc092d |
| SHA1 | c266bfec600d6094c87e35a9be16658698f7abe1 |
| SHA256 | eded191eefc09cde346da2b748448b789136ac14f1eb4b7bacc7b9ddac758b7a |
| SHA512 | 8a816bc69bfa78acfd96373a255a234f7a79b550767d1cf872ce50b8e6ac940253fcc8c9ddefdde666e6e915d6a379049ff95f57a527db2f226cd33d91419225 |
memory/1040-787-0x0000000000400000-0x0000000000407000-memory.dmp