Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/10/2026, 03:56
Behavioral task
behavioral1
Sample
2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample261023-ehk4zawthy
- SHA256 6f4e4c0fe078630a5d28f839358c59d4f852139221d9a56dc12bfd8f8bffc2fb
- MD5 ec3b4946ddecf70b1cd57deacc06d0af
- SHA1 ca020861fed2f64b16d9587f8206f41f9f7ecb3d
- SHA512 fc0f2d40ddd3250c0b7ee568987e47e89a3a7fb5bb472be504458c27a14b2761004d49cb986d2399ea397ae89d799276fd5eba4482bf341552bdd45cef0a5a41
- SSDEEP 6144:XFlKgzelZNQSBQGH/CSpWqTfueF/mNyBqoAXjiU4bz:IfBQGH6SfaCBqoAX+U4
- TLSH T16965CFB17B93856BD4E7C23CB1858593ABF69B031D539263D7A0EE3DCA392814DD8C42
- 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/0x000d00000001c695-3.dat family_cosmu behavioral2/files/0x000400000001bb7a-84.dat family_cosmu behavioral2/files/0x000600000001bb7a-184.dat family_cosmu behavioral2/files/0x000400000001bb7d-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) \??\I: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\RCX9BDB.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9D5D.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX9E68.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9CF1.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9D4B.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX9D91.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX9E35.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX9C0D.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX9E7B.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9D4A.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9DD5.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX9C41.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9BDC.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX9C0E.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX9D4C.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9DB3.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX9EBE.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX9ECF.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9DB4.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX9EDF.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9DB2.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX9E46.tmp 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_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 2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_ec3b4946ddecf70b1cd57deacc06d0af_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4876
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 335KB
- SHA256 4a8fdfd5e167bc43f7bb223c8a685f1b2dea2ad3f6f1f917e83bfb1abdeda8b2
- MD5 78f9cdf5859cc0444532a057e0747ceb
- SHA1 9d2cc245ef90c2c0b23ad090152f3baf473265f0
- SHA512 821a1f6e342230888f464ff0fc59eef6b662a3e3b6489207746bcd6839028c25f4df8a3912c5c4496b7626cac5a1175d1761cea80a1c6a38b8ccf32e0e22cde2
- SSDEEP 6144:iFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:lfBQGH6SfboAX+U4
- TLSH T15A7401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9DD5.tmp
- Size 288KB
- SHA256 cd77cd5fe252bf6d86a9dc11cda913ab44e242ca88725bc2be21935c411ffc10
- MD5 ab3cbf52cd17240b55bacd22fb470938
- SHA1 7bce3ab4e4390451aa8a585745f78cf5a5fbd486
- SHA512 8f05867de72006b88ecb04ddf8b552f7fb514058508ebbfc3617eb280e9b51b020f38815e3bd6160a1e42603957086e3bae64daebd91c3699ea1737a52969598
- SSDEEP 6144:qFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:tfBQGH6Sf3oAX+U4
- TLSH T1E35401817DA2D8B3C4414A3288A78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9DD6.tmp
- Size 288KB
- SHA256 7fb7ad313821555e4f56a97ddbe3ac605c6ed0bbbc83a0ceaebf238d39f25bd9
- MD5 0cd8218b2435995183a74b9443011d59
- SHA1 44d02e1d5373a0a34321bbcca61e01b2b18b66cb
- SHA512 248bb77571ab4591dad8464bd9cbf9fdb7deb069567755002554572cf348ff7ffea176fc8010b3060b5cc71b6a1feb6fbcf53d747612b92ae4b9d745b3fe160e
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:NfBQGH6Sf+oAX+U4
- TLSH T1FD5401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX9D23.tmp
- Size 288KB
- SHA256 3644f1b7b31649da8000a8dac547b8eaaa4582fa5a09a4b336edd09d32ea8716
- MD5 81f636b72e3f8bef909132519e3e84bb
- SHA1 ba219ec294491a380d77e55b93de11fbc46d9075
- SHA512 675fe48f343279fa844e192e189c9b59ed1c6f18a9f387a9de1116beafc656f7e20c18bc9f818609695b2579c427e25b62b33d4fe65d08305575fe00b0c611b5
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:xfBQGH6Sf8oAX+U4
- TLSH T1C95401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B341
- MD5 SHA1 SHA512 SSDEEP TLSH