Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/08/2026, 03:25
Behavioral task
behavioral1
Sample
2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260828-dyndlashma
- SHA256 c4eb19ff633ec08b96b3c4da9dc7f37b2532113b8f974fcb4bdf9062a8d97c44
- MD5 e7bb917ee2e4faaf35d351d8130e58f6
- SHA1 7e7d7cf7bb49aa78d8a90c3d1219566967751b89
- SHA512 33f95986f55487d71d4a1bc767621521573689f830d4ff8133c6018261bc52710e357033691c05f030600ea5edbc4e83bf4bd9e58772028a78e6f468821a3f0e
- SSDEEP 6144:6FlKgzelZNQSBQGH/CSpWqTdoAXjiU4bz:dfBQGH6SfJoAX+U4
- TLSH T1746501817AA2D8B3C4429A314CA6CF6197377D139A65D203B7AD1F4B2F713D09B7A302
- 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/0x000d00000001c5f5-6.dat family_cosmu behavioral2/files/0x000400000001bb65-81.dat family_cosmu behavioral2/files/0x000500000001897f-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) \??\I: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_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\7z.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX6B5D.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6C41.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6C89.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6AEA.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX6D94.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX6E98.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6C9B.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX6B4C.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6C2F.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6C57.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX6E29.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX6B2A.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX6B90.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6C2E.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6C40.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6C56.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX6D95.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6AD6.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX6E87.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX6D1F.tmp 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_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 2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-27_e7bb917ee2e4faaf35d351d8130e58f6_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:752
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 340KB
- SHA256 7e57ee4ec10c622b56c4ef5ede456da388b8d24f0b53b68bf5390b7d91fbb145
- MD5 4cc6d8679da5f1408c382c65bccd3741
- SHA1 9f600b2bd469e1dcae007b9589306499457cae3c
- SHA512 7824696c042c37e73fcf80a9a2adc35bd46804f3428816da0e41ca8569cf2533923013cf433899f838b3c7a3896f7224479f3c0eded44e3a6819067616309a67
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:FfBQGH6SfboAX+U4
- TLSH T1E67401817DA3D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX6C40.tmp
- Size 288KB
- SHA256 3e22bd7e61a4689fe1b75d70d763461ff78cb63a46fbf34866c5d70753807905
- MD5 8d09100f63ba3af92b51f831b991376a
- SHA1 e983f48883e2c3711e87ce5cdb5ce02203f1ea6b
- SHA512 3dd33e6a3926a7d8a93ff582a4a2271c84f843eefc65a6622975a1b40696cf77d2b3ebea8d0cdb42c304cba2f24e789e557541ae3110ae59e47f3202857b1b69
- SSDEEP 6144:WFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:RfBQGH6SfRoAX+U4
- TLSH T1625401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX6D83.tmp
- Size 288KB
- SHA256 5aed94b587c74c9145372a56869a0d2998080ce7f1b0eec0f33b286db6eaef6d
- MD5 d7ae5363cd1863abe46f36bae5441e27
- SHA1 51080dcd094ccc0ac2fb0a71b0329a8caa33b5cf
- SHA512 72a19d6d9a4c8e95c6870044e52ba972456ab6e9f883373453189f5d03be912b338716ec1467f146b1ae043db00108acc5c611c8d5417168a5a6c2de3bdff34b
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:NfBQGH6SfooAX+U4
- TLSH T13B5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH