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
17/08/2026, 21:07
Behavioral task
behavioral1
Sample
2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe
- Size 288KB
- Sample260817-zycsrazang
- SHA256 afc2193154f0f9b64eb1c1f58fcdc8fede3e111e2742c079f3237712180aee55
- MD5 ef1e09ca84dc68f216bae32e3504111e
- SHA1 4473d6d3234d889f0e6d13167b7e02a50a1943d5
- SHA512 0e6b2fcf79ce430823041520ea6e0768528f08c0e0c3f45a55251f652951bec6b1bc14df6f952923bc2e6f0e6990b973370c2321ec1e08e0b87f8ed9daaa92b2
- SSDEEP 6144:tFlKgzelZNQSBQGH/CSpWqTNoAXjiU4bzN:qfBQGH6SfhoAX+U49
- TLSH T1E65401917DA2D8B3C0419A3148A6CFA197376D139A65D203BBAD1F4B2F713D49B7A302
- 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/0x000d00000001c548-6.dat family_cosmu behavioral2/files/0x000d00000001c553-81.dat family_cosmu behavioral2/files/0x00060000000189a1-192.dat family_cosmu behavioral2/files/0x000500000001b8d3-238.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: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX53B.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX772.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX417.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX428.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX605.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX55E.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX5C2.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX667.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX54D.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX70C.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX73E.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX53A.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX750.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX3B0.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX72D.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX429.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX591.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX74F.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX6FA.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX3E4.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX406.tmp 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_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 2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_ef1e09ca84dc68f216bae32e3504111e_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5668
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 329KB
- SHA256 eb3ee7bad7b9064d0e6c85dec1c2942f0384fb180fa4a590222a47099b353047
- MD5 2cb7e69eb071aa2bef74fe018b6c1b9a
- SHA1 b1945098ce94cfaa2c2eed8dd3839e727e950725
- SHA512 38dc4a85d597f18e4f0ea767ecf59bf20eb0ec9154bed0d67156bbb46fcb682926e54bf73f15f80115092906c8ca489129320fd8a64b9d2d652d3c174e055260
- SSDEEP 6144:+FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:5fBQGH6SfboAX+U4
- TLSH T1216401817DA3D8B3D041493188A6CBA1973B6D13AA65D203FB9D0F4B2FB13D49B7A351
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX539.tmp
- Size 288KB
- SHA256 5dbc11b9dfd912781b480fa731ceb060269a587f9ffe6fb1e931ab2ba9f6a4b9
- MD5 651d4ee466270fef4895dfded4a1c1e8
- SHA1 a6b399255092fd355aa1834a6f2819b89832c465
- SHA512 d8824f903a58a3d23cfb3df9b96176d20b93210053c041274f163b7fca539f6e9fcb1b0d9941185edbfa14e1c389d29d4647dfd79ed8ce0e21807ab34f225a8b
- SSDEEP 6144:SFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:1fBQGH6SfRoAX+U4
- TLSH T1265401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX6DA.tmp
- Size 288KB
- SHA256 f13d1f7864850ad003e7f7ab2371fc8947ea4c08f91b188c03dd02a71b5273b1
- MD5 bcbe6d36634eb71d3eee254a4063e1e4
- SHA1 ae7a7724087e379e86b3a714b0ec20c87811f359
- SHA512 b0c3f1ed1b67b20447e8dd1ba243a373f65471f0b8f2bac10970dd041d34e9d85e1cc4ccb606582f9d48b2ce11cf58ba06537c63d5b79872f6ab8f0dbde8133d
- SSDEEP 6144:WFlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:RfBQGH6SfooAX+U4
- TLSH T1745401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\default-browser-agent.exe
- Size 288KB
- SHA256 06488e09c2360006c682be69a203f021c19daea2de1ad56ccc465c8e9d744a35
- MD5 0841e52abc556a5d7a0154509e2ad254
- SHA1 41a4e2c6fb76d534cf1c97af08e6308931b92971
- SHA512 279b54787521a512fed4d7a3a665c2b06a60414b673943d46dfdd051520f5a332b4c641b12af4ffd904b570b582cc32be6aaca3fb8319eb7da199a8b709aa497
- SSDEEP 6144:2FlKgzelZNQSBQGH/CSpWqTMoAXjiU4bzF:xfBQGH6SfIoAX+U41
- TLSH T1945401917DA2D8B3C0419A3188A6CFA197376D139A65D203F7AD1F4B2F713D49B7A302
- MD5 SHA1 SHA512 SSDEEP TLSH