Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
13/08/2026, 09:38
General
- Target 2026-08-13_54b2e9d0618568f14c7734145de1d1ab_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample260813-ll2dpawfpc
- SHA256 b55338b8fb4f479c78c7237037ccdb3274c862c1e1d5db82c14f6abd50fc606f
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\2026-08-13_54b2e9d0618568f14c7734145de1d1ab_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-13_54b2e9d0618568f14c7734145de1d1ab_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 3024 -s 7442⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3024 -ip 30241⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
7z.cab
7z.exe
7zFM.cab
RCX662D.tmp
appvcleaner.cab