Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/11/2026, 02:00
Behavioral task
behavioral1
Sample
2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample261105-cezf3sfd29
- SHA256 91e90b7fff55eaa883f8d3942230255a96762624e348987576c2a2d36233ba18
- MD5 8c6bd9ee72e5c46a98d546d2d7d0d3e8
- SHA1 a2e02d9a666d8a6154a5e4cb164603b8901d18db
- SHA512 ad3696d814a055b5ded8626fd3a79397fbdcf31ae5850441a000bee52bd4da25604a97f9998c8b7518502d1e1b3ea7605de3912ecdc35ff92682a621bc3f9e10
- SSDEEP 6144:EFlKgzelZNQSBQGH/CSpWqTCoAXjiU4bzF:jfBQGH6Sf2oAX+U41
- TLSH T1B95401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- 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/0x000d00000001c53a-4.dat family_cosmu behavioral2/files/0x000d00000001c544-87.dat family_cosmu behavioral2/files/0x000600000001bb50-185.dat family_cosmu behavioral2/files/0x000400000001bb62-189.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) \??\H: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\RCXC5AC.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXC68C.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXC447.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC5D0.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC5BD.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXC703.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXC45A.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXC76B.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXC4DC.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC628.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXC77C.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXC6E0.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC5F6.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXC748.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXC448.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXC758.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXC435.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC5E1.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXC5E2.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXC66C.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXC459.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXC49B.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXC50E.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXC705.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXC649.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXC747.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXC759.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXC648.tmp 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_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 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe Key created \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-05_8c6bd9ee72e5c46a98d546d2d7d0d3e8_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:2816
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 328KB
- SHA256 1a5ee20deccc14f6ac7b67375c885500cd9847c6b88d22c69a0b73c9e0d20a08
- MD5 8b08bf7d4596c93d50988a004eb51f5d
- SHA1 a84a7bd73e2571fe717cd44e95304f6a1070cb3e
- SHA512 8a0d33db12ce04f3a55919bf3bc68791dadd0c612347309756d9d514c76c9f18950929aa65c03605363cedcb8f064eb851e54f1b9290667ebae0baa27da7e3e5
- SSDEEP 6144:FFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:CfBQGH6SfboAX+U4
- TLSH T1656401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXC6AF.tmp
- Size 288KB
- SHA256 81b03bd84b76df5feaadc5b38f0dfcc4b9e900d376d2d46e72728e523ce30824
- MD5 257940fbcc095b0b66e3f5b2f3634c89
- SHA1 65fba8c5217c6f4204a3997105c16e069c35b3a9
- SHA512 22773b9d7ebad9aee58303df0e1b7b3829a0b1de32889da2d66a007197eae2efe652c2393aedba03caee07817e0badf7c2b0b0c694c72cd72231dd97bf9b63d7
- SSDEEP 6144:FFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:CfBQGH6Sf3oAX+U4
- TLSH T1E85401817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXC6B0.tmp
- Size 288KB
- SHA256 10b0b573b44a2df7be631b6fc85a614f42854002d8d5e3ca79b3adb510364a88
- MD5 f7108b556008f038c5fafb8b6c908e3b
- SHA1 482623906512b4b08fc98adf9c6c4d08b92d85e7
- SHA512 8ec8f228c29ec760f0be3d4930a47de3eea915b882a71589cedb47058a2158e9540b11148c8ff760fcf11f68fbab591395cb3ee109568696f709532c23061cd5
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:KfBQGH6Sf+oAX+U4
- TLSH T1B75401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXC5BE.tmp
- Size 288KB
- SHA256 3b3e5b61acdd091a965360a98eae03b99948f24637022dc1b5e4c1f0c552d4d0
- MD5 827c26b91f3c303fc9b508ce781e2843
- SHA1 9db2a0cd467dada713062fc44f441072172d6058
- SHA512 c00bc756b8b66d1341b28bc9a0b9e5581f925950a34b7f4316ceea756b0916202b067d09844768feac0854a3900cdc4d094bbff9955566e3d81fffaef3422ea1
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:OfBQGH6Sf8oAX+U4
- TLSH T18D5401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH