Analysis
- max time kernel
150s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/09/2026, 16:14
Behavioral task
behavioral1
Sample
2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe
- Size 2.1MB
- Sample260903-tp5vaa1crc
- SHA256 7ee3fa142d8d25371fed4db741f6696eaf041a2dbda8a845bc7a2a86b2ac8160
- MD5 10a51438ebf7084974f20f62ed4fcf6a
- SHA1 c67eeba643dcb0015dca8a168df8c4720dd2c2ec
- SHA512 925ba2914a201020e21ec0f095dffeb53bded459669cbc686470868818eb9de28f4127a6b49167c6a064cbffd0e53c6762923daaa872f7ac720552e923bae0a4
- SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTLHHHHHHHuoAXjiU4bz:kfBQGH6Sf3HHHHHHHuoAX+U4
- TLSH T176A5A5E42740A76DE5F30A3A0655857423F73E8B7C9E72B26D55370BAA30960B7CB20D
- 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/0x000d00000001c577-6.dat family_cosmu behavioral2/files/0x000d00000001c584-81.dat family_cosmu behavioral2/files/0x0005000000018972-192.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) \??\L: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX3C37.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX39AF.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3AE4.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3939.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3927.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3BA0.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3BF4.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3C7B.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3C04.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3BF3.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3C26.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX3C48.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3938.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3AD0.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3AE3.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3B29.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3B06.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3C15.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX3AD1.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3BB1.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX3BE2.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3C7C.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX3C7D.tmp 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_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 2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-01_10a51438ebf7084974f20f62ed4fcf6a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3316
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 327KB
- SHA256 d0e105a13d7d8ef4ae1f8872a8edb076e836e459b81db5dbe9313ecf7b88b458
- MD5 6736a39fdcc5841c59e50e48305840a1
- SHA1 28a6973d3b86d55ac9bfb8492a4a1e0ff05a14fe
- SHA512 91a4626716d20a1d776d749eba0b97277a4fc0f9ba2aeddc0762ab19d49cdc3bc140d51a37cb815fc88b6032e775ad8b7f321ce175a3a0c873ac2d6ef524ccff
- SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:afBQGH6SfeoAX+U4
- TLSH T18E64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX3AD0.tmp
- Size 284KB
- SHA256 a6dedc6e336a21b6b59892b06b79cf6ac1c9e841c20f5b3a9f2623245926ef04
- MD5 aa322a4e55d59487bec46d2e518855a0
- SHA1 daef9d09fb7d72f2c87994505e0845d236ec3ace
- SHA512 7e2e102b48354d723b27adf13a9399efb5e9abfa48140babb379e8bc9a295ba3e388d79f46897a5d0c4f051c4340a3fd00eb3ae74066400813100b830a6df4b5
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:+fBQGH6SfdoAX+U4
- TLSH T10C54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX3BF4.tmp
- Size 284KB
- SHA256 0c501eee365c8195e7d5724986b4f87b90bfc63c9d2e712ed7f63f8e18f1d1b0
- MD5 4ffc2f86dd32ed0fc78c05e0c5356abf
- SHA1 f9aa409f3720644f8ef39a39198a6da9a2c6959a
- SHA512 5e092da33dda0ec792aa2436f0d6831d1684694206649d5dade7a80fdc7f1d5202872e25a6245eb379805d4e644c9faa7f34952d1abca65f6c511df4635ef6fa
- SSDEEP 6144:VFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:yfBQGH6SfwoAX+U4
- TLSH T1795402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH