Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 05:54
Behavioral task
behavioral1
Sample
2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260805-gl6k7aed67
- SHA256 5993274d5dbb710600b28d7150f20c1107191f174618996dc33aec56c9d876cf
- MD5 7899d5fa632bee89ed8e2a8a7eaaac0b
- SHA1 8f0c633733285ca3b33190c3bca77fe358de91b9
- SHA512 631520726efdb9e685a67c4a52e2c28d9a293c100860b871a7dbedf8400ee405ff89c2a30366f5c32ee65c5a8700a42aafa2d83443b7e854c0ebb4c7ced658a9
- SSDEEP 6144:AFlKgzelZNQSBQGH/CSpWqTeoAXjiU4bz:3fBQGH6SfioAX+U4
- TLSH T13F6502457DA3D4B3D0414D3188E68BE18B7F6C137AA6E117FB9D0B4B1EB13844BAA361
- 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/0x000d00000001c5d6-6.dat family_cosmu behavioral2/files/0x000400000001bb65-81.dat family_cosmu behavioral2/files/0x0005000000018968-192.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) \??\H: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_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\RCX41D5.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4339.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4527.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4439.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX448C.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX4428.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX41A4.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX4528.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX423A.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX434C.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX44C0.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX41A3.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX434B.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX435E.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX4408.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX44E2.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX44F3.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX423B.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX436F.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX4370.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX43C3.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX4239.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX435F.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX44D1.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX446C.tmp 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_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 2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_7899d5fa632bee89ed8e2a8a7eaaac0b_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3544
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 332KB
- SHA256 32885491f9185b6a7b9d238498088e31f7a0ecf87eba49f573c235ebb6895901
- MD5 08b1d7d84d5cb69282fd898f8af404ff
- SHA1 15349f93c67fd00a1ccec301422c2a79607a0970
- SHA512 2629fd75084b064fd53ec995b6fcf0a9c576fd6f0214b605e3ff14f371b668042e1b8dcf471af583f47c475031da4605b8a88abe6322f252996d70cf0d318acb
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:NfBQGH6SfeoAX+U4
- TLSH T1E874F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX434C.tmp
- Size 284KB
- SHA256 679c3c538a522c87fe376189e39a8d89b0ce7979d2f5b43147eee9d6ea8a6782
- MD5 1fb5a304fc676e3f7f7e6d5c4443ce7d
- SHA1 e2384cfc3e0152af6be70fb224f6ffb44798a3e8
- SHA512 2f9942bc9d6a73638495c4ce702035a52d07af0ff597cf90699c066eb394b6a85192e8ce43c3f59b50c9ec9b98d5ecbec8870ea7be3204b78bc5edda843bf43d
- SSDEEP 6144:mFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:BfBQGH6SfdoAX+U4
- TLSH T16854F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX44AE.tmp
- Size 284KB
- SHA256 4f3263a0c8c94e57e8a21a8176d9292db8f66439a1113b0c36596952e614f7ac
- MD5 670efc13e14dec244aaf20cf5ba8a780
- SHA1 a05a6009ee04b347fa0242d48caf7d1e1d016170
- SHA512 03e486d84698527b67d6051def915959030002df9564f2fe3150841676acf98e5be3a9f55659eb54c937d5a8f92707c81d50a1c5fe9630076ca29f9e76c20413
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:NfBQGH6SfwoAX+U4
- TLSH T11B5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH