Analysis
- max time kernel
148s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 23:46
Behavioral task
behavioral1
Sample
2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe
- Size 2.1MB
- Sample260820-3sqdfaxfkd
- SHA256 b7dd4fee3ac0d4c57b3e4d056c449fd0efeeaadc94e4b9a0ffa664667a58d8a8
- MD5 95be91a7415fbb2ee177cb34d1ad5d57
- SHA1 ac5220ca6b3ef51fc4ac471d2309bc3821d4dc0f
- SHA512 44f9ed1669d5d289f899cc6aa9719f832c1d97e665a60d09be48c5e5b2d061e36fa9984ae8020e52a8e4f165b19063e544425ccd08a9375df4a0528ba9436e3d
- SSDEEP 6144:4FlKgzelZNQSBQGH/CSpWqTLHHHHHHHuoAXjiU4bz:PfBQGH6Sf3HHHHHHHuoAX+U4
- TLSH T182A5A5E42740A76DE5F30A3A0655857423F73E8B7C9E72B26D55370BAA30960B7CB20D
- 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/0x000d00000001c5ce-7.dat family_cosmu behavioral2/files/0x000400000001bb65-82.dat family_cosmu behavioral2/files/0x000500000001897f-193.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: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Control Panel\Desktop\Wallpaper = "C:\\windows\\WallPapers.jpg" 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX8404.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX81F0.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX8390.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX8254.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX8305.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX83B0.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX84F0.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX8212.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX84CC.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX84BB.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX835A.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX84BC.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX82F1.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX83E3.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX8444.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX84CD.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX837D.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX84EF.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX81AD.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX8316.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX8477.tmp 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\windows\readme.1xt 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe File created C:\windows\WallPapers.jpg 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_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 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Desktop\General 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\windows\\WallPapers.jpg" 2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_95be91a7415fbb2ee177cb34d1ad5d57_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:3608
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 332KB
- SHA256 b07fb030ff23b6e2505af92514a9f4cfa44dee08853569f9764f08fc22fff6ef
- MD5 ac044548128f62cd1dc46041aff96848
- SHA1 5f7e8b09c3857b1a845721e04ecd7f8b75351a44
- SHA512 ec3215c1c98d1a6e114baf61359fc917f775e30c70576fb77a0d9b048fb337d5bd9ee704123cc8d82ce5843be4850ca7ca8e028246d94086bd8251751e7db214
- SSDEEP 6144:VFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:yfBQGH6SfeoAX+U4
- TLSH T17474F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX8305.tmp
- Size 284KB
- SHA256 b4e3beac451db9df27423c20da0f64100186bb0f32a00344ce2b5871c1b8f349
- MD5 9500a0b86ab5273ba35b56a5a0052601
- SHA1 58154464d283876649fb93fb0251102a322c4822
- SHA512 556eb3a98a921cc70eaa43ecce86e3501a9b9901609b992c86e22e255112dcae6c8b27629003f9042e5cdef3c3e604df4f25b7409286a7cc69e69e7b70e43580
- SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:2fBQGH6SfdoAX+U4
- TLSH T13B54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX8457.tmp
- Size 284KB
- SHA256 c9d56f2688670956d324612d1ebc707d33a22dbeaa77bc118bea9d01969bd7dc
- MD5 1c9172aafe10c3b1669764f6b1b98416
- SHA1 ca9ffd4d5d6840f60244de599d92de09278bb762
- SHA512 6e641d1861b895564008b4a6997f2cf5f4e8801a42032f67707355e8d730a05c55fb84639cd3f636637b5c8d70448a46c21cd41a5dcf8f987383b86068abdbab
- SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:qfBQGH6SfwoAX+U4
- TLSH T1365402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH