Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/10/2026, 16:23
Behavioral task
behavioral1
Sample
2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample261029-tv7aasbf68
- SHA256 d63d8f1ee9280f2b6ab6a80d74ff8fa1b256b3e98a461a6196923794c1852bf5
- MD5 20d62b3721d334312d0aff7baf4ed4a7
- SHA1 295e0c6dc9b17091b4e13bb28fbc28dd886425b1
- SHA512 375b181f07d0d8b8efbf9259abe5463c93c50deb745e81af04858a0e470be6b812b7bc638f79ab5cad72c22ce8429543f5cc9547f5e90ca25cb0d0a01c2c7639
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTzoAXjiU4bz:NfBQGH6SffoAX+U4
- TLSH T1B475F1917EA2D8B3C4429A3148A68F6197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x001700000001c515-3.dat family_cosmu behavioral2/files/0x000400000001bb7a-86.dat family_cosmu behavioral2/files/0x000300000001bb7c-184.dat family_cosmu behavioral2/files/0x000d00000001c5ad-188.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) \??\N: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1A3A.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX1A5C.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX1A6D.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX19D2.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX19E3.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX16ED.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX1762.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX18A9.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1940.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1951.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX1731.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1831.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1A17.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1865.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX18A8.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX170F.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1897.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX18EE.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX18FE.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX1A6E.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX1783.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1A16.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX1763.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1982.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX19F4.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX16FE.tmp 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_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 2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-29_20d62b3721d334312d0aff7baf4ed4a7_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3720
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 324KB
- SHA256 8639f949b2ba5b306624688cf2d1b7f22c429468293a85f8123aa6fa24db2bc1
- MD5 0ce4960b7aa2feceaa679ff9ae148688
- SHA1 eb4be720ed4998780d98c50a32016baa2cd11cc1
- SHA512 6494a779df526bb45d930c0f150f54bab79bfbdb2c746a320c10afd0e11ab852bcf36bc74e9ea2589ef3f734af0fda1ccae105559e240caf5a620d1ad735c33f
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:OfBQGH6SfboAX+U4
- TLSH T1C76401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1982.tmp
- Size 288KB
- SHA256 3beb27aa34f958e484264be2de8bbcca337b152f508f0050dc57a6b6018b63a4
- MD5 a10a8ba8099c67366cc8c5f02e5e3639
- SHA1 a4b9bd003da8129cd307b0ddbac12bfd2329f2ff
- SHA512 4af5fd89be664d1efdb93e905c03186546afd3f02e0b784ee114a83942f8281fab9e9d1c51c71b4af1cd7b64ea5859470d0f00bd532123caf7afa3a63bd5ea64
- SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:efBQGH6Sf3oAX+U4
- TLSH T1545401817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1983.tmp
- Size 288KB
- SHA256 8d2226960b2fed48b0c5d89e9c17c145d12f9097d1e3148247c75f0e6ad5d332
- MD5 8a7edeb6a8edc3de1bb9a44b3f4ac896
- SHA1 973139932f2d9482bedc49e00e099b7c73648adb
- SHA512 34473ba0248f256e991a528c1e2f9d3deb835f27a99baa9f063230815238880447a1ec88b543e261e47da0663a522af70b2064cd1618b37a65a3fb7dac92428d
- SSDEEP 6144:RFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:GfBQGH6Sf+oAX+U4
- TLSH T1315401917EA2D8B3C0419A315CA68FA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX1853.tmp
- Size 288KB
- SHA256 500c7857566ce23934083ed5aa19da2c57c645be9afb7ecb7322176ea9e6176e
- MD5 d302e24e4f196b9c15b648d1897bb33f
- SHA1 6235a4b6afcdc695b9f6c998121b8d88ee551ba9
- SHA512 0c0f4d5e7b90264a9f9fd8913a91a2d11de8e5edc44871f45b06931d65271340af848ac23ec3b2274f37e8eb290dbf002023f821b8022dbd826c103f1efff68c
- SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:afBQGH6Sf8oAX+U4
- TLSH T14E5401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH