Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/07/2026, 19:56
Behavioral task
behavioral1
Sample
2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260727-ynzn4ach99
- SHA256 3032857949cc835abfb81213052d41cc53cf1c36187ccb90058aef16e067d349
- MD5 a276b0dbaf431ff61c976f3debc61a31
- SHA1 0248d41b01b6b4d531676a97e2b5d25a53aa5e9e
- SHA512 50147e146e7922755a3182b116f35a41f53429a8788d564d8b9aa04ff765e728ee023b29d20318e60f433b18736518055b7110ac8a0e1602f00fe9c488e77c39
- SSDEEP 6144:sFlKgzelZNQSBQGH/CSpWqTJFPSoAXjiU4bz:rfBQGH6SfHSoAX+U4
- TLSH T11065C02166E9CFE1C09F2475DC96B1F44627EE11DC109FDB7E88BE0A38B12A5A93114F
- 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/0x000e00000001c52a-6.dat family_cosmu behavioral2/files/0x000c00000001c536-81.dat family_cosmu behavioral2/files/0x00060000000189a1-192.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) \??\D: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_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\RCX10A4.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX1274.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX11FA.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX155C.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX10D7.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX14D2.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX1090.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX1108.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1242.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX1538.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX10E7.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX14E4.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1264.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX14F4.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX14F5.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX155B.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX1482.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX156D.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX121D.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX1286.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX11E7.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1252.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX12E9.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX1263.tmp 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_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 2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-27_a276b0dbaf431ff61c976f3debc61a31_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2032
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 332KB
- SHA256 f1698512560431c5dea0f7ccef1677f75f45e5788c50eda4db5dd54ac91ab24c
- MD5 9599b92c811a0b0c5d9189348c956e7a
- SHA1 e0af65b257ca864d844d7fe303513fd52ac818f4
- SHA512 f7aa145f165c08dcb63dcf46074443c4968f28430d772a41081c46b065ded2e0121c4c8ebbc7ec617ed2bebc5f0007867a9d590f18ad7c6f3aeeb3e5bb4541ea
- SSDEEP 6144:GFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:hfBQGH6SfeoAX+U4
- TLSH T19774F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX120B.tmp
- Size 284KB
- SHA256 b1cbd1c633561065543652089c76c8248fc7b52eb7a30be89c47a9cf79660d1c
- MD5 cae822a4fe68dee51d7923c08c052d55
- SHA1 9ed7108c615db01caee37160d8c4dfefeb46b08f
- SHA512 3d8ec8d02411b3c48d9cd305b2af2e68e4ae43c30933e8d2e51aac681a4d954f249e5471f2d0b648c6eb2493aba0df54a3512b0bde4c4723ad3df4daaf7e9353
- SSDEEP 6144:CFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:FfBQGH6SfdoAX+U4
- TLSH T1C654F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX14E4.tmp
- Size 284KB
- SHA256 acb083462f6e3a345662e77bd2b073c3196d379c9b344decc7b696d88427d39f
- MD5 b476b9448a59292bb745d859fcc646f7
- SHA1 fb8056c3e7d994e8455d41c8491bc531223ef9d8
- SHA512 0cc0413fee937aff644166dffcdbd488fd7b1d471fd400c411564de225df774b3426121c9711adaf7158cbca85811e50f39864d288da544063ab91b55f5070b6
- SSDEEP 6144:GFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:hfBQGH6SfwoAX+U4
- TLSH T1855402457D93C4B3D0414D3188E68BE18B7F6C137AA6E11BFB5D0B4B1EB13844BAA261
- MD5 SHA1 SHA512 SSDEEP TLSH