Analysis
- max time kernel
150s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 09:27
Behavioral task
behavioral1
Sample
2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260720-levbssfx6z
- SHA256 04f9dd31507a5b36169f7c5fdf79bca124e5763d3f3aeb48243b570e08725db8
- MD5 8410579718e67b9007b5e95ecd740895
- SHA1 15e245a65d43bc626ffb846ab64ba7f727f1525b
- SHA512 65a4456ecb1513fb5641c781d0ec1cdcf3f14fb66ff22023e91a46ebc63ed3b266f8ecfb8fccf5c64c0563474392eaca4b0e424c19c88ee377f02cf03772c68c
- SSDEEP 6144:7FlKgzelZNQSBQGH/CSpWqTIoAXjiU4bzd:EfBQGH6SfcoAX+U4t
- TLSH T1EA5401917DA2D8B3C0419A318CA68BA197376D139A65D203FBAD1F4B2F713D49B7A301
- 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/0x001700000001c3da-6.dat family_cosmu behavioral2/files/0x000d00000001c493-81.dat family_cosmu behavioral2/files/0x0006000000018971-192.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: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6553.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX65F9.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX6735.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX652F.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6586.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6326.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX651E.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX6598.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX667D.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX639A.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX650D.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6542.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX662A.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX663C.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6325.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6554.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX6347.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX6702.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6530.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX66F1.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX667E.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX639B.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX64FA.tmp 2026-07-20_8410579718e67b9007b5e95ecd740895_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 2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-20_8410579718e67b9007b5e95ecd740895_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_8410579718e67b9007b5e95ecd740895_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 334KB
- SHA256 9b33e89a3cbafcb83503137a016645de1ab92c058761dc8c14a1426841d1a062
- MD5 14f97e3e77e916fd8290da5a8155428d
- SHA1 6e5a62901162aaa182b3c8aba78f9ecd6d0f04aa
- SHA512 a6f72be210ba5e500c947356638fb9dda6c8a4fe3ce6a165a94a5802249ee5498c8801aee1de95644e4ebbe0ff1b98a75f31f8ee735fb990a8ec38dbf37e003f
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:rfBQGH6SfboAX+U4
- TLSH T1257401817DA3D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX650D.tmp
- Size 288KB
- SHA256 4255b6ac5c03e0f432ec44b184b4a228c8a9a47bb3a8518f39e87e54798388cb
- MD5 04003ba696c51174ce5ae7b95a1059b2
- SHA1 e6c1bdc09cc7f3fb0c35c70806ce94fb282977ca
- SHA512 1d6746311c450b7af5b545dce44fb494da7b2f17bfaf9df07795961bc4b2ff098cf907ef04ee65b0a0abc08e8373dcf3f599ecff9cb0465f0b3a949d108041b2
- SSDEEP 6144:IFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:/fBQGH6SfRoAX+U4
- TLSH T1465401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX667E.tmp
- Size 288KB
- SHA256 522ac1b4fbca7a062777ba6808a9918fca3550cba8027f61a7396c48abb7f1c4
- MD5 f5222c0f17cffa53bb05325bb3ef9faa
- SHA1 82d9876d97c0e3a1305845b1bdd23d7787773bdc
- SHA512 0f78cb9c72305e1287cb9cf6f22ed5747d0c640cb9bcea6f9669cafce646ce9bdd2578e24051d02b6c02e0204f15bd2763d80510744ac04068804dd09b7c4b5c
- SSDEEP 6144:kFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:DfBQGH6SfooAX+U4
- TLSH T1A45401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH