Analysis
- max time kernel
148s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/10/2026, 05:07
Behavioral task
behavioral1
Sample
2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample261007-fsf4fady2p
- SHA256 e44244d85a9234514b856aa5c5850fd9402204bb6ef3775d4514a9025a93c49c
- MD5 1cf57c48e1bb9a6ec80000143f4f332a
- SHA1 30090ec61f07059ae4de6eccfa448b51a8c27d44
- SHA512 1baf2e6503ceef3b2388025fbf76ab2903de930518e213ed025f7e5d75cb9d3d80ba97ab0d76079c4ca6879d502b6dc4ecbdfbc26c21d42cdec4870970abbe56
- SSDEEP 6144:kFlKgzelZNQSBQGH/CSpWqTPueF/mNyBXoAXjiU4bz:DfBQGH6SfKCBXoAX+U4
- TLSH T12B75CFB27B92C66BD4E7C23DB4458557ABF29B024D13926397A0EF3DCA392814DDCC42
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 5 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000e00000001c558-3.dat family_cosmu behavioral2/files/0x000d00000001c572-86.dat family_cosmu behavioral2/files/0x000300000001bb61-184.dat family_cosmu behavioral2/files/0x001100000001c575-188.dat family_cosmu behavioral2/files/0x000300000001b943-246.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: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_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\AppVShNotify.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDA4F.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDAC3.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXDBBD.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD9C5.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXD8B1.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXD8C3.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD9D9.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD9EA.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDA4E.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDAA3.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXDB69.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXD8C2.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD9D6.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXD82C.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD9FA.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD9B3.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXD8C1.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXD8F3.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXD8A0.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXDA71.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXDA2C.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDAA2.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXD85F.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXD9B4.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDAA1.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCXDBBE.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXDB24.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_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 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3608
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 320KB
- SHA256 c0ce36c8fdc8cf18afda3f0ad7d742353649101a5e28054b60122882b248ae53
- MD5 e1cd34b3a8d6012d73397b876b624e1a
- SHA1 d2dff4bd5d071b3b84d3c02c3180a07893baf585
- SHA512 ebe8c9ffe43e05392caeb8636ff289f68ec6633c6898fa53296efe2992e1506eb0eed8fb452fb96cb016470e7174ae0ed83e02c0699d5b80b78a845403f296dc
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:mfBQGH6SfeoAX+U4
- TLSH T12164F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDAC4.tmp
- Size 284KB
- SHA256 24b579d73d6227f568758d00f2cc764ba33a791a01c60efc292b4aebccb6abaf
- MD5 c2e65913adfa801bccafacdada129d38
- SHA1 5e3b500898ca076722ac391ef6b75eef95960a2e
- SHA512 9d7bf166487da48e9918c811e4f977db341c222f07f58b9548713353b23e6216f63b426c2b3112e8411b4d62e5374ae547abb3537f716b7974b921d3edc902ef
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:+fBQGH6SfzoAX+U4
- TLSH T1785402457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXDAC5.tmp
- Size 284KB
- SHA256 0907f8e258af35d043cb7826154ff1e18c2e35dabfd61f68425461fc5cb5ad71
- MD5 c15d15744d880ed60ffcb52ae737a3c7
- SHA1 1d278933de7d7626172548af13c2823d8e6f1478
- SHA512 794dd4657d13236946e66dbc209b33a0b187be9a2557a686476d369a2b7bfd9d4c0ae8492ab64dabc5709898c1f1c28ab1e0b218989c9776643a2993ff81b23a
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:+fBQGH6Sf9oAX+U4
- TLSH T1A15402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXD9B4.tmp
- Size 284KB
- SHA256 f13bde52658403d3d218a42d63e8b411fe9dce8f7ba3a715ca98e6249ff96594
- MD5 66290536aa67672bbcb5d40c9db04179
- SHA1 426fb5cae4ac618df37f7894df283b216d9c7038
- SHA512 5d3898ae9230bfce2cfe55b9ec4eddf81abc12be10ed2d1d368bb9767ca2a3e1ae7e2ebece2f27242fc7ea3972691aa0640b2f0aa2299f347ec7e4afb0e18fec
- SSDEEP 6144:9FlKgzelZNQSBQGH/CSpWqTAoAXjiU4bz:afBQGH6Sf0oAX+U4
- TLSH T10654F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\crashreporter.exe
- Size 1.5MB
- SHA256 752e4558b48df5c1dae93a5081fdba7829ea2e4a3efe9c6febc4f6ef4fde9f01
- MD5 86327c2cdbc37667e73ca1cb9eb9ea64
- SHA1 6ede85187e01483e3ba43f206da19aa6657b9c27
- SHA512 4e85090cd6ef7775c811d93e1bdaa3dca7f1a86ebadfccfdb98ec062e7c0da2c4ad3b42f53e2e3850253aa7d2a22680e7c4f7aebe074e8b5dbfdff692778add5
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTtoAXjiU4bz:OfBQGH6SfpoAX+U4
- TLSH T1406502457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13C84BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH