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
20/08/2026, 21:31
Behavioral task
behavioral1
Sample
2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260820-1c3bysyye1
- SHA256 f7777a7fa9658b1b1ba2c08a96421a760b1c2d098ec7a558f2d4a07e03157b8f
- MD5 a1151df8ba27377d5e1336d44bf25a81
- SHA1 16c1e89024b367872a9b33e1635624ca26d9c2f3
- SHA512 fc19a47a0fe6cc1657b823f5992ee31973eff6014458aa65119be73bcda040a868e78b23e7ca6b87e44a2598445fdcd85b105fbc29e7740be651ca8f1970df6f
- SSDEEP 6144:IFlKgzelZNQSBQGH/CSpWqTaoAXjiU4bzF:/fBQGH6SfuoAX+U41
- TLSH T1705402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1FB13844BAA261
- 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/0x001900000001c45d-6.dat family_cosmu behavioral2/files/0x000400000001bad5-81.dat family_cosmu behavioral2/files/0x00060000000188c0-192.dat family_cosmu behavioral2/files/0x000500000001b8d6-238.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) \??\N: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX24B7.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX250A.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX252B.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX2711.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX27EA.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX24B8.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX255C.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_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_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX282B.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX2765.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX26A9.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_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_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX27EB.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX285D.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX286F.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX252A.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX255B.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX258D.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX26AA.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX28B1.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX26EC.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX27E9.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX24C8.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX2766.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX26FD.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX2914.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX2903.tmp 2026-08-20_a1151df8ba27377d5e1336d44bf25a81_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_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_a1151df8ba27377d5e1336d44bf25a81_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4588
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 324KB
- SHA256 ac9cc8387b1d36378bf6f1ce7cc3fe324890bdf0bda949af100fb1dbd8cff231
- MD5 256e1048dfffaf2a6303482cb822c6b3
- SHA1 c911f9f10eeae680869ca43239d584883fd79d58
- SHA512 27ab7545821619a8be388924dcc64636efa09cb6e41156de0283209e6de9e50b8e17a01d82fad53d2c20125f23c41e0e3c31ea466aa5fd91a12893851797e797
- SSDEEP 6144:HFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:YfBQGH6SfeoAX+U4
- TLSH T17064F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX26CB.tmp
- Size 284KB
- SHA256 18a15d14d8eb6b12e9e80efb184e20667b337394537b9e61061f6dfb1752239e
- MD5 730198dfa6669760353ed6122d256b91
- SHA1 4258cc453694132e573ce74c02f00598dd0001e2
- SHA512 a57942c0b90648ac76a5ac4fb318332416f6e38c476c3732bd8478ea7a7313746c49c6267aad58a3a22da874746a39c4bf068786fcc3c04e539a98ed68b1dcb8
- SSDEEP 6144:jFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:sfBQGH6SfdoAX+U4
- TLSH T11754F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX283D.tmp
- Size 284KB
- SHA256 f3e643100f45cf993442c3c44c350aac3632c39756cfb8b3dc3df71ce69486d0
- MD5 3abc3b8194b2cc085f5cdd2f4ed41504
- SHA1 b6aaff47e1b5343ead34680ae2a1bfc2cf05ed03
- SHA512 51cfbbda813fbae239994c79d082bdbd34c6c0bb69cb7ddf7489dc40be242b65882820e1d84bdf3224ad631743009239d915352c35107834ebb1610b533f5337
- SSDEEP 6144:XFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:IfBQGH6SfwoAX+U4
- TLSH T1585402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA271
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\default-browser-agent.exe
- Size 284KB
- SHA256 cc40b5a6522f97e7e742d9ca7c507d51f0544dd5242695deb2a9d1beab684606
- MD5 5a03cfc8abd591915e48c69b21915ffc
- SHA1 bfeb2f05705d5d3631a7b11b7ba892e58ffad2d7
- SHA512 44c717ce5ae3a3dc7221d6821bb1aae04e68f2ad967de68a873ea7b807927a1f3b7026a2b28d8c8ae20d330e1d097eda89817dd6b3d3847b791b2b69d741731c
- SSDEEP 6144:nFlKgzelZNQSBQGH/CSpWqT4oAXjiU4bz9:4fBQGH6SfsoAX+U4N
- TLSH T18E5402457D93D4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13C84BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH