Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 16:51
Behavioral task
behavioral1
Sample
2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260730-vc9hdadk8x
- SHA256 5cb2eacc749c332589535075431537361fe0207cac23bc9cd5cdd1b95511df38
- MD5 df575516b7f748fbdbd5e9f616e32e31
- SHA1 7b2b6fb000ea5d019fc6252ad8a1062bbe118b0d
- SHA512 c9d95a4834205b9b0016afd47d63959d34a84a1f493183c899fa9704e3b30432dd397d634d515eceef852e39d40f68201e6025b48343f01aa61b2462cad07ea7
- SSDEEP 6144:6FlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz1:dfBQGH6SfUoAX+U4F
- TLSH T1005402457DA3C4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 5 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000b00000001b87f-6.dat family_cosmu behavioral2/files/0x000400000001bb33-81.dat family_cosmu behavioral2/files/0x000500000001bb24-164.dat family_cosmu behavioral2/files/0x000d00000001c5a8-179.dat family_cosmu behavioral2/files/0x000300000001b966-249.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: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX45CB.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX45FF.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX439D.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX43BF.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX41E9.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX43F3.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4446.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX45FD.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX45DC.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4620.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4184.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX424C.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4415.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX45CA.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX44D7.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4622.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX41A8.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX43F2.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX422C.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX43AF.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX422B.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX43C0.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX45ED.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX41B8.tmp 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_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 2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_df575516b7f748fbdbd5e9f616e32e31_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4956
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 323KB
- SHA256 82cfbb71b7a7f21e911306272e3598386e9f334502158ef383a886d9d1b198d8
- MD5 3f467edfc666bf7b74a372403186a333
- SHA1 e92edaa104c39be09daece2c3771c0d866efc9ff
- SHA512 1a0debdafb12db812628d82e2709d47af14b580a92da2bfbfb9024d0bad08c4de501a6fad07ab16c18656029c504a8a4006cdc84062f35608628f647f275242c
- SSDEEP 6144:nFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:4fBQGH6SfeoAX+U4
- TLSH T11964F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
- Size 1.5MB
- SHA256 0d96ee0c3ad52e3f110d5671d399e1c333688b2364b59ef0efdba6838d70118c
- MD5 8373f06f0d0fcd426159b7db88398361
- SHA1 6b4ac76c657e74c09ab734e7777b52a4b26520a4
- SHA512 2db9609e91550145625a562cd663aeecc76d6724fc982e245c65df9223fa898f7b7f93b9e481e4e6c9fc5c3a747aa5c74a703bcc858f1c6e068e09579bf8f0dd
- SSDEEP 6144:3FlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:ofBQGH6SfzoAX+U4
- TLSH T11D6502457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
- Size 1.5MB
- SHA256 e67442d5d69f2d3eb62db7d47f851f9a95d70a266b4de14af8379c747f832989
- MD5 6754213bce775c5f6a9dba61a55a5af1
- SHA1 fe5fdc87afb4766272edfc8edbfb8ddaf1d2ee46
- SHA512 f64617e534f9c9db81ce3019f7db80c7a27ac273548008b80aae851a17e324d88ebaf386380058dd3f98f847751171f08abedc4c76147522c46308f1e50b6761
- SSDEEP 6144:XFlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:IfBQGH6Sf9oAX+U4
- TLSH T1136502457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX436B.tmp
- Size 284KB
- SHA256 ed6b7b1f45504e367fbb6a1b3cfc249e47b77481164a3b0cb59e43c0045e3b80
- MD5 96246ca665682c8c98c25851139c484e
- SHA1 1ed8b31ed088850922be1047b2b1b46c567ca8ec
- SHA512 3ddf4ed37a5d0dd2368fc3ccc88668456743a4e15a9eae6d5500eac446b04bb458e21bef90a647a76d018c40fbc3abe6811b6d7302dc7890c7290b036074d3a6
- SSDEEP 6144:DFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:MfBQGH6SfdoAX+U4
- TLSH T18854F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
- Size 347KB
- SHA256 b53a954d4670b6cabac714ed03766616ddb995a38d475dcc9dda96be321fffb7
- MD5 2b30d2e7f9689caa9e6a720367d3eeca
- SHA1 cd1b2df31b9511d89789c39c2ae7fca5fb6d7cba
- SHA512 b20c97195fdf3d67e258d77bf60ab5697bfb19c1d701d2a0750efa1efd401717e5ce79b59274d9d85ee3395130742b73dad52a96587d27ae73206ade6478e0af
- SSDEEP 6144:XFlKgzelZNQSBQGH/CSpWqT3UjD56oAXjiU4bz:IfBQGH6SfDUjD56oAX+U4
- TLSH T15C74F1413E93C4F3D440093188A78FE18B3F6C23BAD5D207FB993B4B9EB13845A66655
- MD5 SHA1 SHA512 SSDEEP TLSH