Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/06/2026, 23:12
Behavioral task
behavioral1
Sample
2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260628-26wlyaf18x
- SHA256 13914c77bbaa0bba97e8cc5876553717c4fffb675bf00dee6f2a452bcf58dd57
- MD5 3d0144a9212411317e5ef92145bf9a7c
- SHA1 5bd3134ac51f43c35f4181732b25acf8703ae3f2
- SHA512 133d7fab8705399e858e9d1de617910d580d21a9333cbf6e8ad133ed7551558c6059385778659800c228bb473f146cde5c746e568a5d310e6d4a2e449217d0ad
- SSDEEP 6144:/FlKgzelZNQSBQGH/CSpWqTRoAXjiU4bzN:wfBQGH6SfNoAX+U49
- TLSH T1565402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
- 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/0x000c00000001c651-7.dat family_cosmu behavioral2/files/0x000400000001bb64-82.dat family_cosmu behavioral2/files/0x000500000001bb55-165.dat family_cosmu behavioral2/files/0x000300000001b947-230.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) \??\D: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\RCX7767.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7947.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7926.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX786E.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX761C.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX7927.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX75A8.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7597.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7756.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7768.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX77BB.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX764E.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX77ED.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX78E7.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX77FF.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX77CD.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX7880.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX75DA.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX76FA.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7733.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7744.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7779.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX761D.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7555.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7596.tmp 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_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 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-28_3d0144a9212411317e5ef92145bf9a7c_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:4304
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 332KB
- SHA256 398a88b251e63e57317d4bd3ca1792f1652f3b74a216cba73d148349d258f8ae
- MD5 1e9dac2a0cf0d1161eaff1496f0b1be9
- SHA1 51e74fb06b381b6590bfe6cf5d9a4c5829a96c1e
- SHA512 7b2ce2f48c9c79d88e2e72a50acd9ba201d9c636435e1d2eaf4753c7bf33b4582d8ad449d48612c2c634bd02ddeedca398b0ba12238953d48b8bed3dfaed10ff
- SSDEEP 6144:+FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:5fBQGH6SfeoAX+U4
- TLSH T11074F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
- Size 1.5MB
- SHA256 69f4c6eac955ba308cce91bf02115cd4ef0f0f138cc40cd4624441299c5792d2
- MD5 9b16d9ed550920896d99f4cca8c46a88
- SHA1 a97300801790bb368747706a83b756e96bf5d523
- SHA512 62ed0b5c660f29e38efad2bb98444df4a9b9b95f70809a21f972574b72d337a9f24eb3ba98559c2fd96e561198b250607386aa2c3b8c202efd4b82977f3158dc
- SSDEEP 6144:eFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:ZfBQGH6SfzoAX+U4
- TLSH T11E7502457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX770E.tmp
- Size 284KB
- SHA256 72b5b9f706ef7d7c822967eb36d61aed52b9a661fe4d5584bb64d01c7385307d
- MD5 0b35e0fce225ab440fb8c57bc3e93dbe
- SHA1 4943bead8e17b5b63bed346aa479f09da5b057c9
- SHA512 120a6abd5147ec55a4ccd37fc489c79a2d78440f54724473a5a7d19acb384545fa96f99732c410080938622e9a8c4aa66326b5f307ccc03d1829b0ac404ec3a0
- SSDEEP 6144:aFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:9fBQGH6SfdoAX+U4
- TLSH T1F154F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\crashreporter.exe
- Size 1.5MB
- SHA256 878507822f1455e5b3d3b43db63337f3a14936a3b215be331f3aabce3e2acc54
- MD5 4314000893b6919c3910f0e7dde932cf
- SHA1 dd4deda24566e7dc8fd7c96f4dafc7fa2b9da213
- SHA512 1468c330e590f4f1b8bf40186761b1932e79f37e3072702d6595cb512724bea4cc66c7f5b6ea49619a11fcdb680cad46b2e4074fdccfab61a3fdf3b7618442b5
- SSDEEP 6144:OFlKgzelZNQSBQGH/CSpWqTtoAXjiU4bz:pfBQGH6SfpoAX+U4
- TLSH T19D7502457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13C84BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH