Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/09/2026, 04:30
Behavioral task
behavioral1
Sample
2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260909-e4se6s1yds
- SHA256 7385381df5268f5f8cf6e1e5d03c5ab3772a8d80ef0c28a6f0c7af7b4015f1d9
- MD5 2f345b5b046400ee7f93fb8af27c3520
- SHA1 2df8f87b5911fd85b3b1aaaee6c6485cc132ee4d
- SHA512 0a0b4fbc1a46335c456fe6e6f19eb1480859feed27c80b28de8352fe75fe3b3aa137f8e9ee8c706cc7d21bd95c0dd88c116bd2a1568130d53d15b4e82cae9c82
- SSDEEP 6144:LFlKgzelZNQSBQGH/CSpWqT1oAXjiU4bzV:0fBQGH6SfRoAX+U4l
- TLSH T1365402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- 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/0x001b00000001c511-6.dat family_cosmu behavioral2/files/0x0008000000019c55-81.dat family_cosmu behavioral2/files/0x00060000000188c5-192.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) \??\N: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_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\7z.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX80F8.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX8313.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX80C6.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX80D7.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX812B.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX8204.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX829D.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX8335.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX80F9.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX8334.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX8239.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX828C.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX811A.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX8226.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX81BB.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX81DE.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX8227.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX82CE.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX80D8.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX823A.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX827B.tmp 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_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 2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-07_2f345b5b046400ee7f93fb8af27c3520_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4140
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 327KB
- SHA256 e841317f4f97eb1d7cfcbcffb71cc44cedcf9912a95c0f80d4134f6f5ea5760c
- MD5 7c0d12a78731c8189bce3993450f873b
- SHA1 36acad6955aac6862cea887426f91739017092ae
- SHA512 59aaaaf40c495126fa97a5fbbd6f177adeae26fa2716549ece990bedbce67d7ff46bdc4a356433f07c3ba90e9f8e039c9cac3a761a9174053315ae794d4cb903
- SSDEEP 6144:UFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:TfBQGH6SfeoAX+U4
- TLSH T16C64F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX81BC.tmp
- Size 284KB
- SHA256 cf84087158478c814bdba4799b034b5259818ebee83ac5e42e12aa3d46139765
- MD5 668af03c389144db0282351eda306631
- SHA1 6330e5c314fc40907632982d042d6807c8bbe248
- SHA512 b9d017f8839a429520e7bba86619088a1f34dfb5e1c2d6088b3810e7b11b85cc5e30c84af07fd2efb252be1fea5c7d3ed6ad1acb9cd9bb2267458e4061acd46f
- SSDEEP 6144:gFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:XfBQGH6SfdoAX+U4
- TLSH T14954F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX82E0.tmp
- Size 284KB
- SHA256 58e2e5f37722de999f91fd8e52a79cfd2f5f16bd63146a3d5cd2e6443f347ea8
- MD5 2050d75746dc257e07a8802c2d4834b3
- SHA1 00fe24d48bf7846d219a8a7b849b601f9ff4914c
- SHA512 621e4252e4f35b596d8cda6d96ead10d829acc133c2e01f5960bcf98889cd4809f1d578c94235f87a94dcaf31689e00425b039cb5a4939246652b940813f9abf
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:rfBQGH6SfwoAX+U4
- TLSH T18B5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH