Analysis
- max time kernel
148s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 05:43
Behavioral task
behavioral1
Sample
2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260805-gej4lszake
- SHA256 bfaa27b07af1ed7ffe3d3fd2ad20a6ff999a68dcd3081993959e98be4eb01b46
- MD5 93ca7d2deb6dbde79e2f7d7fc3b9dd60
- SHA1 4a27f0fc89a09177f3986af6130d8c5320603d44
- SHA512 1f89bfb666503b3157e987d721c7d9ba2eb8c7132228bcc322967c644d8d6e15243eabf15eb5089328a4b2c962b178e3181a373ece3e62f20c817ea7b663b64e
- SSDEEP 6144:gFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:XfBQGH6SfboAX+U4
- TLSH T1AC5401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 3 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000e00000001c465-6.dat family_cosmu behavioral2/files/0x000d00000001c471-81.dat family_cosmu behavioral2/files/0x000500000001898c-192.dat family_cosmu - Enumerates connected drives 3 TTPs 10 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3DFF.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3C92.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3EDB.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3F3E.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX411E.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX411F.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3EFD.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3E23.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3E55.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3E98.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3D3C.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3DFE.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3E35.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX401F.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3C93.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3DEA.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3DEB.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3EDA.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3E76.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3E77.tmp 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.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 2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_93ca7d2deb6dbde79e2f7d7fc3b9dd60_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4180
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 333KB
- SHA256 2682a6b07f4372dbdcac5c5ad9352912facacad5969be84738299ddb803ec333
- MD5 dfcec5129217509b26c994cc5d6b572e
- SHA1 b15237b2109aced91fc55fc321a7445f000c474e
- SHA512 2fab1401ed2b6cf1d824f373adce779722fbd64f7e0e3e1fcc75e94a50116a8cfb9c0742f3ce809550f9be6b5d992192be0af5769565ec6ec54f1f1f83e1f814
- SSDEEP 6144:gFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:XfBQGH6SfboAX+U4
- TLSH T1457401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3DED.tmp
- Size 288KB
- SHA256 063776627cde9c565a0b4d12cba11be7d7310ac70d230dca8e32be17f5fc6154
- MD5 b8c48f256eaf574b44d1d295a462b62b
- SHA1 58a8edafd96f4b5da511619fb9392bbf50884904
- SHA512 d26abf71529ad532aa141d7043ab1922e342802aac1cd0f590e5ff7815d1ce0630689ee6f171b5d281084e7b388e288eda7f33a89bfb08d2020496b5c5a59e44
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:rfBQGH6SfRoAX+U4
- TLSH T1385401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX3F4F.tmp
- Size 288KB
- SHA256 8baa2b8b41fdbdbecc773d109723f65b21613102ed5853fd02897b3ef9547693
- MD5 04892ab4f79d036e1cc352874d918b62
- SHA1 9eee2758ec71b96e6f2eba73a4a837a23cdc225d
- SHA512 3bd5550989f84eca0f8481bc69f22ce5d4537044d888ef602f2d070582d1a4fd8c43f055aa48c61f4bb4d70088d211494b99476222bad29023e556ebd015066b
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:PfBQGH6SfooAX+U4
- TLSH T14C5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH