Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 15:44
Behavioral task
behavioral1
Sample
2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe
- Size 292KB
- Sample261102-s6pzqaxt7n
- SHA256 652b4d15df0129af1c64d2360b04e23880d8196b416e70a143597a0335962bcf
- MD5 8889935ae1d1c735d6d3ed3b53df5528
- SHA1 3461fa659cf5917fc0b617bdadc6083fabe5aded
- SHA512 0707be239ab0de41d97bef9ee2c938f4e9aad365f424e1dc1b430bf60149bd7aa76ad6007f65fc6bd09ae1355a52967e39892bc35eb88f270591074638f2196b
- SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTkoAXjiU4bzF:2fBQGH6SfwoAX+U41
- TLSH T15754F1417DA3D8B3D04149318CA68BE1973B7C13AA65D207FB9D2F4F2EB13849B6A351
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000e00000001c4a5-3.dat family_cosmu behavioral2/files/0x000400000001ba7f-86.dat family_cosmu behavioral2/files/0x000300000001ba81-184.dat family_cosmu behavioral2/files/0x000e00000001c4b4-188.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: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_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\RCX1B14.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX1B8A.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C6D.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1DCE.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C5C.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1DE1.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX1CC7.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1E14.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX1B9B.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1D2A.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1D4C.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX1B15.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C4B.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX1CD8.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C81.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX1B7A.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX1D9B.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX1DBD.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX1DE0.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX1E37.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX1B12.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1E02.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1C5B.tmp 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_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 2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_8889935ae1d1c735d6d3ed3b53df5528_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2200
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 331KB
- SHA256 6c78fc16dc637da8cfda7a76f9244230dfdb4ef6d58d54ad8b0e682f828cfe61
- MD5 795d168269cc35cbb3950d0a59c3afce
- SHA1 f1a4ad35b4090df4e4724ca92d9c182e824eab49
- SHA512 999b72be17fa226d4e29c12aa9508e65fa61e2cb8052fc093d53cbe4e15a08ec94270252ea64445f4fb49f759f533e4ae02dcd4c31db9f6b045a918c4ed73c38
- SSDEEP 6144:+FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:5fBQGH6SfboAX+U4
- TLSH T1907401817DA3D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1D3B.tmp
- Size 288KB
- SHA256 d23a238f17b9098a93172d9c80652510c7ff443ecdda4394967f39c36c1f20d4
- MD5 2a367d36e7e17edea04855e050a790e2
- SHA1 1c4ad45e5272a81693f5371f76b4d2ab688cd2d3
- SHA512 2eff4e75cad8fccd9a85ac07ce45e356def59360e0b77537e90f079092e87c88982ac266d0d2258897705b41467bb28888cda1242d99f073efddcd5bc85a6c5a
- SSDEEP 6144:WFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:RfBQGH6Sf3oAX+U4
- TLSH T1FD5401817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1D4C.tmp
- Size 288KB
- SHA256 2ee6c8f706c1b50986ecf8829de241b49b9da67554a578aef0cd4c2fc1df1990
- MD5 6161b7631121d66719f70ad5738f0581
- SHA1 f86e93403fed74c41259017e37efa969cdb06276
- SHA512 d84eb19b6716ad9a90e632cceb93cc0a04b4862779403d4cbb600cdb5e9bbf79610dfde817495bd7fa232dc3c8f6716044d02e4484ab385bfb46eae0461d8f98
- SSDEEP 6144:mFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:BfBQGH6Sf+oAX+U4
- TLSH T15D5401917EA2D8B3C0419A315CA68FA197377D139A65D203B7AD1F4B2F713D09B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX1C4B.tmp
- Size 288KB
- SHA256 4e9cf137229fad63f9a69386ca44ce3728794001c3cd75e79bc86bf0417608e5
- MD5 446c767b8d234b2fe95f9fb0c6df54cb
- SHA1 326b3d5efb7f237950735855fd2f504fb6890f8d
- SHA512 dd5f251ef2de3e3b589d12abc7f549c69cb30eb3ae4cae2e4c116f752375dd8bde6aa426dccb6d563de0c62b0bb17aa062c8e0b89419dc7a0426c043c4e8a54a
- SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:1fBQGH6Sf8oAX+U4
- TLSH T1735401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH