Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 21:44
Behavioral task
behavioral1
Sample
2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260820-1lmmvsfh49
- SHA256 dc3752c831fc287799cc13ef5c7f2fc3e34b913fe62226f64352c8bfeea4d084
- MD5 777d2d6c82028ba9d71e9a2e5afc4fc2
- SHA1 35b8f00b070c6b7536ddaf75d3345f9c8253c360
- SHA512 293c5218ab2a5052b2e35d7bda72e27e729deac4d659f1fe56686456c888962b14dbb7b32e35c9733d74665d8ce55187845affff1e050b8c0515ed5e60c22147
- SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTLoAXjiU4bzF:TfBQGH6SfvoAX+U41
- TLSH T1D65402457D93C4B3D0414D3188E68BE14B7F6C137AA6E11BFB9D0B4B1EB13884BA6761
- 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/0x000e00000001c50d-7.dat family_cosmu behavioral2/files/0x000500000001bb0d-81.dat family_cosmu behavioral2/files/0x0007000000018971-192.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) \??\O: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\readme.1xt 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX616C.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX646B.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX648C.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX64BE.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX615B.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX619C.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6302.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6279.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX62CD.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX62F0.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX64DF.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX60F6.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX63C6.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6354.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX645B.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6396.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX649D.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX629D.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX60E4.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX62DE.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6343.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX6503.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX615A.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX62F1.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6395.tmp 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_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 2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_777d2d6c82028ba9d71e9a2e5afc4fc2_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2252
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 326KB
- SHA256 f1ab1626931c41dbcf46d3629be20c1c853ae64d58bed63cf391b55b79c3e698
- MD5 18e1706f137cd11511a454e421296a5d
- SHA1 d75970de498fabd7685e5f42f37a4a4313abcf77
- SHA512 5d03ae5fed042127c366086fcf23f6319b4eec8e8c39db8d5279a2318dffd239b91193f216fa82a677a004c96c297aea4a6cdf950e7d105a0720ac7fe7f3c229
- SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:kfBQGH6SfeoAX+U4
- TLSH T15364F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX629C.tmp
- Size 284KB
- SHA256 f59bb76fea29de9ba3c165c1c9db847ab66e654fa11c95d331b587b472e24451
- MD5 e2055a1339484dd373a047304e4e12d3
- SHA1 3adef96a4e649ee7da623e5b84d9abda28851fd2
- SHA512 3f7567c80eea658dc556797c610674103dcc9ce80b5ecc5b4617fb846115cf6e1addfd541bde476a951c64e8693225e48c2fee52d7497aebd27bcade2f7cb94e
- SSDEEP 6144:XFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:IfBQGH6SfdoAX+U4
- TLSH T10854F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX646B.tmp
- Size 284KB
- SHA256 e2baf7444e93ba92c478ba8612a2712bbcaf44ef608568fc7cbcc6e3797272cb
- MD5 dc9bc54e5a8d72b9b5b2048d913f80b0
- SHA1 cd0ba043fde5e23f51519f619096251f96214e45
- SHA512 cdfa540939df1a420126057dde56d4f58648eda59041ed9ef8559ad24ffcd37e3ad10d2dad4eb92b3f912f72f191a238bb8349bd94fbfcc07c5a8c6827fbed7a
- SSDEEP 6144:rFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:UfBQGH6SfwoAX+U4
- TLSH T1905402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH