Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 07:23
Behavioral task
behavioral1
Sample
2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260910-h8bj1azdrf
- SHA256 bfa9baf05dadea5dd5f581030a031be33242c038cdbd1acfa4e1e65a56336006
- MD5 14ec628e725a5e27ede810f6bda276b5
- SHA1 d07ea86a48bdf7e465b53d2c48b98b1167dfb9a3
- SHA512 5c6cf5346d57de41e4461c3f1861072b8007927aa3e58ba972099c482bcb818695fd79e916178d549b249468aa712949601c585eca17bf7297ee2f35740f12c5
- SSDEEP 6144:bFlKgzelZNQSBQGH/CSpWqTPueF/mNyBXoAXjiU4bz:kfBQGH6SfKCBXoAX+U4
- TLSH T10765CFB27B92C66BD4E7C23DB4458557A7F29B024D13926397A0EF3DCA392814DDCC42
- 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/0x000d00000001c51e-6.dat family_cosmu behavioral2/files/0x000c00000001c52c-81.dat family_cosmu behavioral2/files/0x000e00000001c52e-177.dat family_cosmu behavioral2/files/0x000500000001892b-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) \??\J: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\D: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\M: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXCB5E.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXCF87.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\RCXCFA9.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXCFFE.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXCAF8.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCD67.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCE32.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCEB5.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\RCXCFCD.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCDDB.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\RCXCFDD.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXCBC0.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RCXCBC1.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ieinstal.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\RCXCB90.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCE10.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXCB2C.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCD69.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCD8B.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCE11.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXCAE7.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\dotnet\dotnet.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCD68.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\RCXCE62.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\iediagcmd.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCDEE.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCEE7.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCE31.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Mozilla Firefox\default-browser-agent.cab 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Internet Explorer\ielowutil.exe 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCXCB1A.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCXCDDE.tmp 2026-09-08_14ec628e725a5e27ede810f6bda276b5_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 2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_14ec628e725a5e27ede810f6bda276b5_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1996
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 331KB
- SHA256 411a3c0102f56c2954a26a26da6fe9d578a9dfe7ec5fae4166f9478533c435f6
- MD5 4cb8aa110c708815f9d8d9fe7626f908
- SHA1 a017d0e8f41580fa7ee52cb4e3678c970ddb1fae
- SHA512 4f7d0568d45acaf15d98f9662fe3cbad68ccf6a44edbc612953a01350e457c421b9d86139945e56542e747ba99e41cd87f2c99725395600bc5b39727d24b7e74
- SSDEEP 6144:kFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:DfBQGH6SfeoAX+U4
- TLSH T1E674F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
- Size 1.5MB
- SHA256 d97b7b49d2f82bd1d6ac8a40b640ac1ce01c83337b10cca191aa29108746ac4c
- MD5 90d825b8cd91d2f53cecf3ad73c853a7
- SHA1 15beaf073cd727ae83ae7c5b262fb0fb69cad02b
- SHA512 16f66c7f52f643ce37f897a73738412fc0fc92681dd732c104eb67be795547a8e84de343cd8c65dd6a43fb572984f844beecdfbbc32955408355c33493cb8075
- SSDEEP 6144:0FlKgzelZNQSBQGH/CSpWqTZoAXjiU4bz:zfBQGH6Sf9oAX+U4
- TLSH T1C96502457DA3C4B3D0414D3188E68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Google\Chrome\Application\RCXCD8B.tmp
- Size 284KB
- SHA256 6598ceec4394bd8b045537a95d3549d27f41cfab3106a0d9deb792d5c25bea86
- MD5 78c1cc95aaa4127bdae784da5a441bb1
- SHA1 1d36d54660004207ed4ed8d71475d5f4769795a7
- SHA512 987b9b1880d80b0f56ff669907c1173f8c1dbb981117de47744a587a6665c883dfb3cd09ee695322bed9f10a480a12be3371c24f9bd889a4ba01222f8964da49
- SSDEEP 6144:wFlKgzelZNQSBQGH/CSpWqTRoAXjiU4bz:HfBQGH6SfdoAX+U4
- TLSH T17754F1457D93C4B3D0414D31C9E68BE14B7E6C037AA6E11BFB5D0B4B1EB13884BAA6B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Java\jdk-1.8\bin\RCXCF99.tmp
- Size 284KB
- SHA256 ea7178ad47f343618f8710b58a329af9e451dcf0126f526b519f764d9c34c38d
- MD5 a527f1d2254295d4e586e3e570f06d29
- SHA1 9268ff9f7d30d1d8421f77c1d7d11fe523d5eb33
- SHA512 347b0116582cac2fce65bcae64b64e1cf7b5f63af21093646b9372a87592d4c2b0c36f45a92477d037d78dce926d0acc90a0b172f1f4be90eea431cb224d827c
- SSDEEP 6144:8FlKgzelZNQSBQGH/CSpWqTEoAXjiU4bz:bfBQGH6SfwoAX+U4
- TLSH T18F5402457D93C4B3D0414D3188E68BE19B7F6C137AA6E11BFB5D0B4B1EB13844BAA361
- MD5 SHA1 SHA512 SSDEEP TLSH