Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20250502-en -
resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system -
submitted
29/05/2025, 10:04
Static task
static1
Behavioral task
behavioral1
Sample
186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe
Resource
win11-20250502-en
General
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Target
186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe
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Size
34KB
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MD5
82ae0dc11840cf3e89e597856d8f5ee8
-
SHA1
04f71d6c139ced0b09ff5ab1539f72e0b132652b
-
SHA256
186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2
-
SHA512
9b99aacfbe2f74425c98cb78ddd833fd60324e274f2dcd5fe5895f0d947c3f12b437eb03b8c5461b9ef191b5b7a2af2a29588bcdcc19e250ddd0628e57ea4f1b
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SSDEEP
384:hAg+5OCZ4W6/KWLsqmFae+rOAqmFae+rOYE/AE/DZKNZKy7MwlwHnFn3:uZ4FLz8ae+rOn8ae+rOrZkZ/7M4anFn3
Malware Config
Signatures
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Cosmu family
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Detects Cosmu payload 1 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral1/memory/4112-821-0x0000000000400000-0x0000000000407000-memory.dmp family_cosmu -
Renames multiple (5270) 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\PowerPoint2019VL_MAK_AE-ul-oob.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.SPClient.Interfaces.DLL.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\de\WindowsBase.resources.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Java\jre-1.8\lib\security\blacklist.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Grace-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.FuzzyMatchingCommon.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Java\jre-1.8\bin\decora_sse.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-math-l1-1-0.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ConsumerSub_Bypass30-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\MSYUBIN7.DLL.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\mshwLatin.dll.mui.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-phn.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelInterProviderRanker.bin.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.X509Certificates.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN114.XML.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\rsod\dcfmui.msi.16.en-us.boot.tree.dat.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationTypes.resources.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationProvider.resources.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\wpfgfx_cor3.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\UIAutomationClientSideProviders.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-phn.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\msoasb.exe.manifest.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.Common.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ul-oob.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-pl.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT.HXS.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-100.png.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-100.png.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected] 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN109.XML.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Templates\1033\ExpenseReport.xltx.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.DataAnnotations.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-phn.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-pl.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\msvcr120.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\ExcelCtxUIFormulaBarModel.bin.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\rsod\proof.en-us.msi.16.en-us.tree.dat.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Timer.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ppd.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ul-oob.xrm-ms.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOSVG.DLL.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msaddsr.dll.mui.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.FileSystem.DriveInfo.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\ReachFramework.resources.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Controls.Ribbon.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-140.png.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\ReachFramework.resources.dll.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe File created C:\Program Files\Microsoft Office\root\Office16\PROOF\msth8EN.DLL.tmp 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.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 186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe"C:\Users\Admin\AppData\Local\Temp\186222b5af4cbed7ad1e958567d7fd9fd200a653f83aee40aadc1dc70933fdc2.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4112
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
34KB
MD563515984ac69cf4482a3451d36e20649
SHA139caf0673447fda44d6d9b3bfc996a5aaf055bb8
SHA256edf676e5192c76338226b922463c2c590abc96b9b3e2d62bd4e4a44c0ed89231
SHA512aec1385c79870c8f6fc90fbfc1813a592e3698f6ba75e9a9e4f1140abf6fe880dad5d958ae73a1ffa55e7c3f5f799129d41f82a767cdc5415d7cfe94cedccceb
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Filesize
115KB
MD526c85fc9cc76054da17ea417a71f5b8a
SHA124b21e83242f6344fc1336cf9f507476eeb41a48
SHA2563340304b342e0a5986ad6659bc17ecf98930c6061764c977ab4507656cee27bc
SHA5127ab31512694696827bd7589245cd1affecb49a6f78438140ae4363a9c9336d937b6c89f7d8dbd62d34a7426c05cd4aaa65ccc158edbe05b0bb03c46a821961fa