Analysis
- max time kernel
148s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 11:01
Behavioral task
behavioral1
Sample
2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260804-m4py2stzby
- SHA256 bc4efe33696ba84a824d4647c8f534965e5d74f4a7ec69ac78853da38eb3c6b8
- MD5 86459691a0266e218503894cfa5ac30a
- SHA1 1a8aa77dd2ea9bcb9e26698e49f7b71981f6d7f5
- SHA512 606cca6a46616e0578ce18ef6039b5811c578adf7104d502967af923396f61485e2bfb21f46ef42d74c37a4c0af7e8ce3e14c723356fa79f292b2a228dcd463f
- SSDEEP 6144:RFlKgzelZNQSBQGH/CSpWqT5oAXjiU4bz:GfBQGH6Sf9oAX+U4
- TLSH T1EA5402457D93C4B3D0414D3188E68BE15B7F6C137AA6E11BFB9D0B4B1EB13884BA6271
- 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/0x000e00000001c4fd-6.dat family_cosmu behavioral2/files/0x000d00000001c514-81.dat family_cosmu behavioral2/files/0x00060000000189a1-192.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) \??\D: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-03_86459691a0266e218503894cfa5ac30a_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.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX7D04.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7DD0.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7DE4.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7CB1.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7E9C.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7F86.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7DE3.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7F12.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7DD1.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E8A.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX7FB9.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7EAE.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7FCA.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7DF5.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E2A.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7FFE.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7C4A.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7CA1.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7EF0.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E3B.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7DF6.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7FDC.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7E9D.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7F43.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7E18.tmp 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-03_86459691a0266e218503894cfa5ac30a_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 2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_86459691a0266e218503894cfa5ac30a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3704
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 321KB
- SHA256 c64796926ff4d06e8298b1923edf3fdfd2d4dcc2905417dbb43bb057f4d3218f
- MD5 525add07eaf7c5e95b30786fb99981b5
- SHA1 dc9f8192dae890af85e70837e3ca627d0552520e
- SHA512 6867bf81391a3f24c3d2936023f1535a6949d8079d6d7a6096a76ffef94f7e55bfa43acbd0ca68d45b30db89398ca6eaafa439a457ffa32ae4d5bacb1669b5fb
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:rfBQGH6SfeoAX+U4
- TLSH T1B364F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX7DE4.tmp
- Size 284KB
- SHA256 758e8efce3dd25de11661f5220171c5b08561fe97a717b03dce17999c92443c4
- MD5 6107332c514ff1e0069b16547527cb5f
- SHA1 9771db1bee53027b4aeb1bf840022a0be0c1829f
- SHA512 44c681bd4b87d0d2d7d8d66b9d5f333607f73227fd0207c43a8a44feb46e64a108aa51f7e9a2cd57aea77ad81abaebe10dbdfc642603e74060e9e181a6564c68
- SSDEEP 6144:YFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:vfBQGH6SfdoAX+U4
- TLSH T1AF54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX7F65.tmp
- Size 284KB
- SHA256 7682a4805a250fcc99cbeede0eb390aaf20ef75d8e27f7132b971afb8dc81ba0
- MD5 1a9b0fe27e5f30a6f951ca6c23180ec4
- SHA1 2ac2afdf123c0f5be919fdcded47fdc7b555410a
- SHA512 f87401db130b240502e0b020927281e2f951cb808b485f8fc7a3a40314990f6fb95aa6ac1773b613a550d97143feb0ed6acf3189fcb3cd17f0630696fd3433c6
- SSDEEP 6144:EFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:jfBQGH6SfwoAX+U4
- TLSH T17E5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH