Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/09/2026, 15:36
Behavioral task
behavioral1
Sample
2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260926-s154rawfpf
- SHA256 eeb2495bc8a53a5db04f6b93c45048b5cd4e2f24230a9e663cd7ba4d538ffa4b
- MD5 bfca53bcbac3cde64f35bea27bc37d8f
- SHA1 29928e9d6449da22ddc28d7c19b3d2446f13eb5b
- SHA512 eac7b1aa6af7b81f91efae8b2b5948cd4490c563fe24c09fab80cca33f0628c402d33c0ef6c0e742de67dc72c61ee3bb6f8300623b97e3e9cf11557077a8e813
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqTIoAXjiU4bzF:mfBQGH6SfcoAX+U41
- TLSH T1295401917DA2D8B3C0419A318CA68BA197376D139A65D203FBAD1F4B2F713D49B7B301
- 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/0x000e00000001c63f-6.dat family_cosmu behavioral2/files/0x000400000001bb65-81.dat family_cosmu behavioral2/files/0x000500000001896f-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) \??\D: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX39FD.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX37CA.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3948.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3A75.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3652.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX37A9.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3905.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3A10.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3928.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3A97.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX35FD.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3694.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3A87.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX37C9.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX3927.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX3695.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3772.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3795.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX39CC.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3916.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX3674.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX38F5.tmp 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_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 2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-26_bfca53bcbac3cde64f35bea27bc37d8f_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5828
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 325KB
- SHA256 ca41451e44385a6387d656fc34e229c2c845ba9a1082028696600b155cfdd96d
- MD5 f8b5365d6138fc9e6c82529955d32a9b
- SHA1 e1e14382d6c2ce148cdd1c936f256b5f334bf9a9
- SHA512 4b8717726f690cb6b2cfc5af0ed32683aa56738f837167e37977a38bf965d31ba850259cc7a859971710a58efa6978a8a06cd207ccf7e9a31d3b242280f24132
- SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:ZfBQGH6SfboAX+U4
- TLSH T1976401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3784.tmp
- Size 288KB
- SHA256 eeb0e7a1d34a6f5f2dd2602bcc5cd98ce363cfabcbade93610503f17bd3bcc84
- MD5 d18baae2a29989a7ab31678fc0334799
- SHA1 1a6c8430bb08b225644107d2fe43a5400e041a1d
- SHA512 edd4176b42b1f5ebeacc787810d29d8ec631e2fe3627042abafc0ab5697d262ad2e0376586fccb5212821c14fc810c7c0dece527aced8b944b0d702c01ebd77b
- SSDEEP 6144:yFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:VfBQGH6SfRoAX+U4
- TLSH T1BF5401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX3A0F.tmp
- Size 288KB
- SHA256 743d5e134835579d7f2262bf4bd34d96f37bdc61a8364732c2d592b9e407bbf9
- MD5 ef285081c7c6f1e0b3c284cfecdcf230
- SHA1 ab55d9548576e88bbb7f0b1970006b12c8eec1a0
- SHA512 2277e16f404a6ff875f30818a3193e86f65ac01baee7f2ff0618b1f8744ab04948d91c1bc6f87cbdbce57cfbf5a6ac944adb3f3a897672f8602e35f3bedd26ee
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:xfBQGH6SfooAX+U4
- TLSH T1AF5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH