Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 06:17
Behavioral task
behavioral1
Sample
2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe
- Size 502KB
- Sample260804-g141xaxybs
- SHA256 a8b7dcecb1789f240d3bae254e77a04a768046d5eaf25b1c48f49498eaecaf46
- MD5 927df6889aadbae5453480e5cdb07cc5
- SHA1 69578002f66356072ce8291bf4ea30a335e738f2
- SHA512 8cd35583def214fdf70da8ef9afa6d4e2ae846c2ffc18f2e1ad0fb4b3be13e37ef5f9d08ca4768fb79724dc3d455ca04248de92467552c596467d631fd161318
- SSDEEP 6144:mFlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:BfBQGH6SfroAX+U4
- TLSH T135B4BE5D795F86F2D3059A3D4465CBA1C23AFF02D961B107BBC83B0BEE722C74A25261
- 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/0x000d00000001c4a3-81.dat family_cosmu behavioral2/files/0x000500000001898c-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) \??\I: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX73B.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ExtExport.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX551.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iexplore.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX4AC.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX73A.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\RCX8D8.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6D7.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6D8.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX842.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCX583.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCX75D.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX709.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX70A.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCX874.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX67F.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX77E.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX50F.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX46B.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCX895.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX8C7.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX6B3.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7AF.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.cab 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCX540.tmp 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-08-04_927df6889aadbae5453480e5cdb07cc5_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 2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_927df6889aadbae5453480e5cdb07cc5_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4980
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 335KB
- SHA256 94e6a75f59232ea8c0dfcb656d417fc52bfa3dbee2c48ce27868b261a59b38a8
- MD5 afe723086008ec5b1a7e77a3ac9c46d4
- SHA1 b9da07c510a077f5201e5a7d7faeef9be2deb0e7
- SHA512 2b756058d709d79e2a0db8de7648c42cbfe37dd0770f45abf774f7e55a214d21cec903cfca43c09707ec44e407ae0433e56c96bef3835f3b29d887bce42c234c
- SSDEEP 6144:8FlKgzelZNQSBQGH/CSpWqTvoAXjiU4bz:bfBQGH6SfboAX+U4
- TLSH T10B7401817DA3D8B3D041493188A68BA1973B6D13AA65D203FB9D0F4B2FB13D49B7B251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCX6A1.tmp
- Size 288KB
- SHA256 25b2712f2bfb664a0a201aa22b29bcb7ad10845514818a6dbeb3c734d53ec0f9
- MD5 ca23ecc62613c12fee6f5c25348cbe90
- SHA1 57c5e8db58710af2dfee7734adc170abcdb3c8c6
- SHA512 fc2bffa1f4ec3d5adb93af7f1fe97dbbf3d61a9eb79f820ea12ea0229b4ee65d408596d73a44da758251a8951dc030b4cdeb85c971c3e0c187c5fdfe24d32b28
- SSDEEP 6144:YFlKgzelZNQSBQGH/CSpWqTVoAXjiU4bz:vfBQGH6SfRoAX+U4
- TLSH T1685401917DA2D8B3D041493188A6CFA1973B6D13AA65D203FB9D0F4B2FB13D49B7B241
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCX832.tmp
- Size 288KB
- SHA256 4785be00008fd0912798c60faca982414b3720c2f352ae284fec5217c86ebbdb
- MD5 949c72800de7cb65f5859c3ef8ca74ba
- SHA1 9ea81a352c2005c9d3718bbd6c967838f0aba96d
- SHA512 97714984b34aa830afd49d1c898734b4d8f7cd2b4637e9c41b5150a634113ef123d862fc251f69ec1954b04779c7adea540621f9a3ef8d4b1a733a7e66604e8e
- SSDEEP 6144:0FlKgzelZNQSBQGH/CSpWqTsoAXjiU4bz:zfBQGH6SfooAX+U4
- TLSH T17E5401917DA2D8B3C0419A3188A6CBA197376D139A65D203FBAD1F4B2F713D49B7B301
- MD5 SHA1 SHA512 SSDEEP TLSH