Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 18:37
Behavioral task
behavioral1
Sample
2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe
- Size 284KB
- Sample260701-w9ff8sd19t
- SHA256 dd3fae275246c482a06a95c1b68674c47f8406693e76ace654d6ed209197602f
- MD5 b54fd451cf32a5c01dac3e3ab83a9a3e
- SHA1 c746dcf76742fad170e5a984e974fad4e0a5520c
- SHA512 f36ad6e62ba05a748ed8e48694ebaa687148567bcc879ccf9dcf416d8d6f782d4d261bbb20f35bca1ccf8be4846b743c5cf9b682cb8e8f14145d755a1eeef10e
- SSDEEP 6144:wFlKgzelZNQSBQGH/CSpWqTYoAXjiU4bz1:HfBQGH6SfUoAX+U4F
- TLSH T1A65402457DA3C4B3D0414D3188E68BE19B7F6C137AA6E117FB9D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 6 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/files/0x000d00000001c641-6.dat family_cosmu behavioral2/files/0x000d00000001c64b-81.dat family_cosmu behavioral2/files/0x000d00000001c64e-144.dat family_cosmu behavioral2/files/0x000300000001bb4c-173.dat family_cosmu behavioral2/files/0x000500000001896e-188.dat family_cosmu behavioral2/files/0x0004000000000552-238.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) \??\D: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX7E6F.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7F5B.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7FF0.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX80EA.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7F48.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX7E4D.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX80C7.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7EFF.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX80A5.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7F15.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX8041.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7E3C.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7F25.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX8083.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX8094.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7F4A.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7FDE.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX7F6D.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX810C.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7E2B.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX802F.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX80E9.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX810B.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX8030.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.exe 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX80B6.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX7E0A.tmp 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_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 2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-01_b54fd451cf32a5c01dac3e3ab83a9a3e_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4308
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 321KB
- SHA256 50380c43182d54ab5fd4056066c9bd93a3081caf99b80fb18a560d145c0f657f
- MD5 30acf90861afdf04bd899797b81a5a36
- SHA1 d45afe9de1809352ee9a948372ab96240a2c7547
- SHA512 5d5607492f53a94206b034c780d4ba39f93f00625873b05175d9e0e8c7876a1b4518665158d06ccc509bcbfd3134671f3673c555f86b708d6c725bdb05ae3b72
- SSDEEP 6144:pFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:efBQGH6SfeoAX+U4
- TLSH T18764F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
- Size 284KB
- SHA256 7f73c4a5c3daf1859de927c930875e3d37df2a87350939054f24e2ee53aeb36c
- MD5 04380b5733e893a8d0527dbaae926fa5
- SHA1 fcc76482f93eba8dfba980dd2272f19497a1005a
- SHA512 288ad1a64d76d7d5dd00e7bbc690d056785a9af9d6bd11522be33b391826f601bf75edbf8b6428a000a2958ae6dfec31edc758c08cfe774025a18f075aa895ff
- SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTfoAXjiU4bz:2fBQGH6SfzoAX+U4
- TLSH T1EC5402457D93D4B3D0414D3188E78BE18B7F6C137AA6E11BFB9D0B4B1EB13884BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
- Size 1.5MB
- SHA256 997dec2ad055d99fe19452e9aff4c123db9edc4b34853cefaed3792aac1ee2d3
- MD5 74a235b3cc84619b8204b32bfab78a81
- SHA1 f3fb71e659e58c899c2425d89c10135329ea1498
- SHA512 1910d2cbf91d9c42793aa8493bc59f9f586b2769d91a1b8f9d38158282f2c013f3c4bbe7e2e08dd4baab96fa398fb026bb0f0217997511ba2e77ce4caa390a31
- SSDEEP 6144:hFlKgzelZNQSBQGH/CSpWqTcoAXjiU4bz:2fBQGH6SfwoAX+U4
- TLSH T1176502457DA3C4B3D0414D3188E68BE19B7F6C13BAA5E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX7F12.tmp
- Size 284KB
- SHA256 b17108989f76a83507af7be2c89ada307f00a9711ae549ef7f6eff71dffaf8a5
- MD5 a0a1cde45fc8b7dc7330f6b783494ed5
- SHA1 181da5d8306d157e85e9c06b9a2d8dc8cc206242
- SHA512 9bda980e4537a3c4db6ccca20072cedef62367d81692450742d0b530d51f71ad7da79db47141426b18bc91d4b781de8b1861bc7b37e61359228f3d36d7ee15d6
- SSDEEP 6144:VFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:yfBQGH6SfdoAX+U4
- TLSH T1D054F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
- Size 284KB
- SHA256 d6f2d29b5b0c5e762e6ac4479bbdfd1c8ca860b7eb609ccc161cc59358f8a814
- MD5 56a98550ea91c9de1ddc0266a5299463
- SHA1 80b2f81f7390924262bbbd70cf456741016f7723
- SHA512 7bc98594bd79df89818b8a0e707d68584709ac7640b90ac526af2f4fab372064bee8918663852aeb934153f75ae62d4bb2fd9f9a93f8f939dec5de3d3c511f19
- SSDEEP 6144:BFlKgzelZNQSBQGH/CSpWqTCoAXjiU4bzV:WfBQGH6SfOoAX+U4l
- TLSH T1D05402457D93D4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13884BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Mozilla Firefox\default-browser-agent.exe
- Size 284KB
- SHA256 61b61abaede9d97f35d96448295ae4bb3a7d4a587506e4cff2e280d5b951f604
- MD5 4899e5120ab76e40d674c58871ee8292
- SHA1 04efdbe06d1443e0265264fbb61474a0f6328601
- SHA512 4aa903afc108dabf2422acfdbb4fcbca7b618b6a7d85e5ba18c984bf39675bdaf3c50f9c8ab2e6d999b6a031339daede58750abe30252e1d5fbd48edeeaa9643
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqT4oAXjiU4bzd:mfBQGH6SfsoAX+U4t
- TLSH T1605402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB9D0B4B1EB13C84BA6261
- MD5 SHA1 SHA512 SSDEEP TLSH