Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
10/05/2026, 14:55
General
- Target 2026-05-10_306df12ad45a229c95bbddca4cc62736_elex_rhadamanthys_smoke-loader.exe
- Size 2.1MB
- Sample260510-sam59aax2x
- SHA256 65d00a3dcc9efd6bb53c3e5d1739baf0b7115eae77ac229a12a6f0e879c6e8e6
Score
10/10
Malware Config
Signatures
- Family: Cosmu
Cosmu is a Windows worm written in C++.
- Detects Cosmu payload 2 IoCs
Cosmu is a worm written in C++.
- Enumerates connected drives 3 TTPs 10 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Program Files directory 21 IoCs
- Program crash 1 IoCs
- 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-10_306df12ad45a229c95bbddca4cc62736_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-10_306df12ad45a229c95bbddca4cc62736_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 6042⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4168 -ip 41681⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
7z.cab
7z.exe
7zFM.cab
RCXFC09.tmp
appvcleaner.cab