Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/10/2026, 21:35
Behavioral task
behavioral1
Sample
2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample261006-1fth8age78
- SHA256 a3d03fc89678c82b7223301c8f83a52ea154d1672c8d721beb3edf8ee255b604
- MD5 76c6f25123d75f0a12790541e680e0c9
- SHA1 fa7a3dddee0ccad9e9556ffd51cc817c5ecd7aec
- SHA512 7176554322e97f07d82361ce0601a5504e731943770f4e8a101d87690c6c941a84f7b5bf8d566da4b2c5a2bfd0e714b3b9e2c8ccdba685bc28d9937f4c60ce9e
- SSDEEP 6144:5FlKgzelZNQSBQGH/CSpWqTgoAXjiU4bzN:OfBQGH6Sf8oAX+U49
- TLSH T1425401917DA2D8B3C0419A3148A68FA197376D139A65D203F7AD1F4B2F713D49B7B302
- 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/0x000e00000001c481-3.dat family_cosmu behavioral2/files/0x000d00000001c4a0-86.dat family_cosmu behavioral2/files/0x000500000001bb30-188.dat family_cosmu behavioral2/files/0x000300000001bb41-184.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) \??\G: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7CBA.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7B46.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7D42.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7D87.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7B34.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7E1B.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7D74.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7D21.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7E4F.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7D97.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX7BBA.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7B33.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7E50.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7D10.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7B66.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_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_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7DBB.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7E3E.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX7E93.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX7E4E.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX7E70.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7B22.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7CEE.tmp 2026-10-05_76c6f25123d75f0a12790541e680e0c9_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_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-10-05_76c6f25123d75f0a12790541e680e0c9_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_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-05_76c6f25123d75f0a12790541e680e0c9_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3328
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 333KB
- SHA256 8a8065977da0f073e8a10db3b19983375d0917fb9593cf0cfacc7a4c0d8c896c
- MD5 972dbff07aaf76992d228c16bbe5b450
- SHA1 ce8006fa76d55a7f6114ec71dcf8fa1355872aed
- SHA512 f8655d4129752acc3cc7224ca64aa222341a4f0ad9c4ededc9c658e14d00c17a2208bd663315cec1b785aef86324fb4ae0e9b6c52517eaae9cb2d3daf196b46a
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:FfBQGH6SfboAX+U4
- TLSH T1087401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7DBB.tmp
- Size 288KB
- SHA256 d308495d12c3e63cc6e4d20637c42a18ce2410bfe00c304b3d2d9c0b05303467
- MD5 ff3a78aa79ec50aae863d6f971b8bbe6
- SHA1 a9df0c2d47b6c2134ac5fe1670169971bd08140f
- SHA512 376fc1d6033329f5325eb47858eafd1e7e1e96133762a752709ae267ff564be25fc35a424a3c19d93e5d4d932426c00b48106daafdc19a8d678180b0348b74b0
- SSDEEP 6144:KFlKgzelZNQSBQGH/CSpWqTjoAXjiU4bz:NfBQGH6Sf3oAX+U4
- TLSH T1975401817DA2D8B3C4414A328CA78FA197376D139A65D203F7AD1F4B2F713D49B7A205
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7DCB.tmp
- Size 288KB
- SHA256 5517a0977a53b52f94349dd68da32ae6c8977f7d193f9be04963a5d80c90f739
- MD5 8a96eaad6783dc08bdc9d695a6be2276
- SHA1 f4d4b3cf458f64c73efcad85f430ae95b1a18f9b
- SHA512 1ef6b6baca5ac6a9fc3b3aaa04af156faa9d4289a082aceeb6010890370f8c2c95ae7214ceaf932da61d2234b9c10f5d658c89471b2010a4f8a013a83bcd2c38
- SSDEEP 6144:qFlKgzelZNQSBQGH/CSpWqTSoAXjiU4bz:tfBQGH6Sf+oAX+U4
- TLSH T19A5401917EA2D8B3C0419A315CA68BA197377D139A65D203B7AD1F4B2F713D09B7B302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX7CBA.tmp
- Size 288KB
- SHA256 340d1de3a672e1bb7732f5f49add9f66efb2909a1c076d2708ad252db0931f81
- MD5 1b081f195547dfecc09f79419db16780
- SHA1 8b9adbd28acdc6ddf586f72d32b7f6117b951fde
- SHA512 72c0e5bf988098784885ac8e6ecc0c1724247a5addadd84220a9a11264a4a333b844cce8bda9306598d36becf959a207cb86c6e3f188e3be9a320a041117b7f4
- SSDEEP 6144:WFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz:RfBQGH6Sf8oAX+U4
- TLSH T1DC5401917DA2D8B3D041493188A68FA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH