Analysis
- max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 08:29
Behavioral task
behavioral1
Sample
2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260825-kd4cmsyfqa
- SHA256 d6b84ed298258895c5d6e83f05fbd21d2d9f94930f4351e6d68e5ab807fe2e3d
- MD5 87b46c898bb23ece501b7914a4226b49
- SHA1 4a877b136a930a8641a8030c2464025cc780fc02
- SHA512 854b2988ef279d969e945c65670d2d3344cc695aff6546eccc1cbe54f54ff81d90ce457d5579c6fec57da18f881f23208bef30d552e597aca68c67ea583a4424
- SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTPueF/mNyBXoAXjiU4bz:sfBQGH6SfKCBXoAX+U4
- TLSH T1F965CFB27B92C66BD4E7C23DB4458557A7F29B024D13926397A0EF3DCA392814DDCC42
- 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/0x000d00000001c515-81.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: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7BC3.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7C69.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7CFE.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7951.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7BC2.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7C59.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7CBB.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX794F.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7983.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX79C6.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX79C5.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7C37.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7D93.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7DF9.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7BD4.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX79F6.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7BB1.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7DD6.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7BB2.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7C7B.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7CED.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7D10.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX79B5.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7D62.tmp 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-24_87b46c898bb23ece501b7914a4226b49_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 2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_87b46c898bb23ece501b7914a4226b49_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4472
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 336KB
- SHA256 26420832a35290a848806c34488296dc51a3529da4a98979b783b3e5b228f0a1
- MD5 15513173a600f1d962c1d8d6c7dc56a8
- SHA1 5d092fee54b6c9c8ccbcc540f5dca3b207573ae4
- SHA512 f0c9ded6942274eac96829ed31042a4de96b091c9fef4f8913a0d0c1b72bae8ca181f6d50ea9238295beeb0993658c59d9cec06b61ebb5c54147f75d821e16f2
- SSDEEP 6144:7FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:EfBQGH6SfeoAX+U4
- TLSH T14674F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX7BB2.tmp
- Size 284KB
- SHA256 c87cc3918d5432abd42bc4f2d25dd5eb38716a6bab17b6e1e1224b1eb4995b45
- MD5 0bd0b4326ccc67ac8dab78ac2b390b4e
- SHA1 d341bbad5fc013f39479cee27c84b21f2f03a32a
- SHA512 256a732d2b6acae1594552633f077c9492068651858d6030fd566b9d44046997238f20de6d5adefacb08b9680362042c4d7d9a93cb7448cf88844c9af565196f
- SSDEEP 6144:3FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:ofBQGH6SfdoAX+U4
- TLSH T15C54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX7D62.tmp
- Size 284KB
- SHA256 85f7cea1327ffd2b257763c235468cf36c8385830e090a115ac06807de6d76c5
- MD5 bb19f19b795744e8d93d6b980ae3cf48
- SHA1 77e3ec4f83d6a5dd856d57787481d3b0be4b8e02
- SHA512 1adf83776abc530653f035c311a690fb78b3101a4d617de959346c837b9f739f9115df8815a0e53aaf66fffeab8b789563e409f844004666ac3cfbb3eecc2c62
- SSDEEP 6144:LFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:0fBQGH6SfwoAX+U4
- TLSH T1F75402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH