Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
15/10/2026, 19:42
General
- Target 2026-10-13_0f173977be08424fdc7f05cbaa0e5070_elex_rhadamanthys_smoke-loader.exe
- Size 2.1MB
- Sample261015-yet29aws2r
- SHA256 f3ea24ce1b9a025c138794e3194097ee3b63fadbb144224db210b18fdf98b0e6
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\2026-10-13_0f173977be08424fdc7f05cbaa0e5070_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-13_0f173977be08424fdc7f05cbaa0e5070_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 4548 -s 6922⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4548 -ip 45481⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
7z.cab
7z.exe
7zFM.cab
RCX238E.tmp
appvcleaner.cab