Analysis
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max time kernel
150s -
max time network
102s -
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, 11:58
Behavioral task
behavioral1
Sample
2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe
Resource
win11-20250502-en
General
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Target
2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe
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Size
71KB
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MD5
c9ab956edf13c45c7bdc61f6ed93342f
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SHA1
18d305389c686684e11ad9016332160a4e14a713
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SHA256
2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8
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SHA512
ae963d7c9133c7fa46e0500372ad2ee8a87720db7acb5f7eb37f38744f6f851cca62fc518881313f522c73c718a7a4e85811c4afee74d8d02ae16ed4d0f58714
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SSDEEP
768:s7BlpppARFbhdLz8ae+rOn8ae+rOoJhiJhYytt:s7ZppApdIIoJhiJhYm
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/0x001900000002ab8c-1.dat family_cosmu behavioral2/files/0x00040000000270a7-5.dat family_cosmu -
Renames multiple (5078) 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\c2rpridslicensefiles_auto.xml.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ul-oob.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\tzdb.dat.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ul-oob.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Classic.dotx.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.vsto.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-80.png.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-pl.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ppd.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\salesforce.ini.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\es\System.Windows.Controls.Ribbon.resources.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jre-1.8\bin\verify.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ppd.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O17EnterpriseVL_Bypass30-ul-oob.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_F_COL.HXK.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\7-Zip\Lang\be.txt.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.DiagnosticSource.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.deps.json.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jre-1.8\lib\fontconfig.bfc.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN105.XML.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.Requests.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-handle-l1-1-0.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\freebxml.md.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ul-oob.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ppd.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\uk-UA\msinfo32.exe.mui.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ul-oob.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Common.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\7-Zip\Uninstall.exe.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Parallel.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.IO.Compression.ZipFile.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationUI.resources.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_fr.properties.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-2-0.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ppd.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\mscordbi.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-ul-oob.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-pl.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-phn.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Dallas.OAuthClient.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-handle-l1-1-0.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ppd.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\CardViewIcon.png.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\local_policy.jar.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiItalic.ttf.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ppd.xrm-ms.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\DBGCORE.DLL.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Office16\excel.exe.manifest.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Net.HttpListener.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-1-0.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Java\jdk-1.8\jvisualvm.txt.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\Common Files\System\Ole DB\msdaps.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Security.Cryptography.OpenSsl.dll.tmp 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.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 2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe"C:\Users\Admin\AppData\Local\Temp\2d060d99dfc780f3bbf8f833adb029eeb1ab1d30d59ae4af403d4bcb493894d8.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5820
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
71KB
MD58f33470bed9650c7080a36ab025526fd
SHA1dc7fa77cf9392b2946e85eb4690bb068a7e2eafd
SHA256b5656af1f227c40bd9471c9ef2e4ddd32860cf83ed2948673e0036140c29910c
SHA512def55de4019ab769a716cccda170a999c3f5facf64582add1d55a29a44fd1ea8851add07bf91601451d312f38fa81ae3facf040707a72d9474dee57f9b95da22
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Filesize
152KB
MD5dc9cc2476d2cfc936f71d74f46e5da18
SHA15725af0f0586284174e019533f3b555863eea866
SHA2566dbcafd7eaed6e7b0d1ae4bcaf40f72065b3d6c94f9f61e99abae851b6294519
SHA5127e85566ebe60de8a6a24b9ffefcc0658bad915060faef277f3c029ba57f38085db02a91c3611a2503ec3548e94105b11c089c3dd36bc602b9d0e0673661d29ce