Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 18:33
Behavioral task
behavioral1
Sample
2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260815-w67fjsfm6w
- SHA256 39fc639e4b91ee8948e09ecda8e7f0a4826d8adbee92e984e95930c95048f125
- MD5 150c990d3c34e09269ef18598aa5067b
- SHA1 0bfd87db5b9c1b86a08d956802e3f03e13141cac
- SHA512 8fd4decba1341d3d6871c894baaec06e51386369783179c55470566ddf776bf8791ee9f47d31dc72fec89c88134b5e3971bd910ef64f9163098a71f770f3ea59
- SSDEEP 6144:8FlKgzelZNQSBQGH/CSpWqTToAXjiU4bzV:bfBQGH6SfnoAX+U4l
- TLSH T18154F2457DA3D4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- 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/0x000200000001b313-6.dat family_cosmu behavioral2/files/0x000e00000001c552-81.dat family_cosmu behavioral2/files/0x000700000001898a-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: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\RCX722C.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX75AA.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX747A.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX76E2.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX724D.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX72B1.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX761A.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX748B.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX764B.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX765C.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX723C.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7405.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX76C0.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX726D.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX73F1.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7419.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7598.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX764A.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7417.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX722B.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX72F1.tmp 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-15_150c990d3c34e09269ef18598aa5067b_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 2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_150c990d3c34e09269ef18598aa5067b_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:6076
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 320KB
- SHA256 e5580b001d35420ff58d88157a4656712abf6af90801198c7b3df938ad2068fc
- MD5 da17106c4fc6e5a52e923a37874e831e
- SHA1 192ef35587bd14d41607f78f6481082c04ac8c03
- SHA512 09a84060e9528242226b2174d740014dd3f4c8fa7783c5f3d57cef6a6a62c533e382a29b8b6074b3a796adc457568b63089a7cda6211e127d0f7ec9bf0986ec1
- SSDEEP 6144:1FlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:SfBQGH6SfeoAX+U4
- TLSH T13764F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX73F1.tmp
- Size 284KB
- SHA256 58981fa0a476c421e5900ee6bc3957672e404ccdbdc171cdcc243a4831891f41
- MD5 52a6d0e9f32644696032ee38b44c56cd
- SHA1 5abb568747efaf194584cf8399c0f2e9dfe9fde4
- SHA512 88307370914521956f05b8ded7f3de1fe1b96ccce0a7bb2f7e397cf73249053bcf3b02c341802ce26472d15bd1c327188abc43aae5b7e662c8c05917de340623
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:WfBQGH6SfdoAX+U4
- TLSH T14A54F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX766D.tmp
- Size 284KB
- SHA256 220ae48b3b4ab7c70866a935374ffae8a0612097fba773f6e342c581083c5287
- MD5 08f4b73a87a764c5ed04495cd2a9a76d
- SHA1 5fb1dbfaef2b2d92b25c4140bcc38b00d8e0655f
- SHA512 1497c00f599b6c266c264a7efc847e19155034342ce7e8ff5820edcdfc87ad10c07cbd2b762fc64429a2f8ee1af454d3ff270a3da388133443e45a9f4003b841
- SSDEEP 6144:NFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:KfBQGH6SfwoAX+U4
- TLSH T1B55402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH