Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 04:41
Behavioral task
behavioral1
Sample
2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260808-fbbgmazgra
- SHA256 1e1dc24ec5646172040c3bc9490dd795d0b17bc8c2bca15c09c5fa0878ccc1e1
- MD5 fb08d94ad54591c2689faf22441b88d0
- SHA1 0a6d23ea077b5c197fec000d1abd880fa95f7fd6
- SHA512 9672b95a1785b61546b1b404b046c308cb79b291a5064b10868a5befef4a6889d6f45ec12f0d64b49d5d9fe4203611fbe8a1cfa2e481990209e6a6c5b790368b
- SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqT1oAXjiU4bzV:ZfBQGH6SfRoAX+U4l
- TLSH T18C5402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- 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/0x000e00000001c4e4-6.dat family_cosmu behavioral2/files/0x000d00000001c4ef-81.dat family_cosmu behavioral2/files/0x00050000000189a3-192.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) \??\J: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\RCX16A.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX402.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX146.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX135.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3BF.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX39C.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXF1.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX136.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX169.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX2A4.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX103.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX3F1.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX18A.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX3D1.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX414.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX19B.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX239.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX282.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX105.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX24B.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX25D.tmp 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-08_fb08d94ad54591c2689faf22441b88d0_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 2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_fb08d94ad54591c2689faf22441b88d0_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2420
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 327KB
- SHA256 550e7e00b3ca39a66951cf797b5a60638c37d6482527d275fd6d0a857b69ec98
- MD5 572f2d35d66a2acc252d45c31a0f6bf5
- SHA1 467ec8411a8fafe41de6f4e2312458b6641876fc
- SHA512 a3deae1444b3ae970925c4b965b36df2bdb19ded0dde6f4701d00690b0319f90fabcde3cda4132524fcc0c65999ba1c0e1265217bbd854abf200ea62964b8674
- SSDEEP 6144:JFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:+fBQGH6SfeoAX+U4
- TLSH T16864F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX24B.tmp
- Size 284KB
- SHA256 e819ef9e0b71553d1e5ce431a34ed7afd20f2731f6b4b94ee51b8a26d5f60d27
- MD5 b618d9e09c2f3c8deb289f3b9ff43e97
- SHA1 f5186e4cd3ee94fb8b56142fe95f4c690380dd6e
- SHA512 de2644e738442e15598c8ddc2bb9638bd4f1029daf3628bc6f99cfe0cb24332dc7300e4e606ec0a10456ff9595c4865d71cfbf4f5a14f6135b930e818b162593
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:SfBQGH6SfdoAX+U4
- TLSH T15754F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX39E.tmp
- Size 284KB
- SHA256 7cd235b8a525b212eeb7c89fc7749ac2f64da884c9cadc59e7372252c49d3448
- MD5 a13f8e2da19742e895de1e72fb1c2592
- SHA1 a425a6f55254f28bbae5deda255c5b4e47892ef6
- SHA512 a0e694bbcbe0ed497173470cc4292ba2356aa7a1fa1d49fc7a2fde1324914f67b028c5a3f2e73a97fd3b037cc905dcde8bcfe92091ad17959b03b64ca8b8a714
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:WfBQGH6SfwoAX+U4
- TLSH T1F45402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH