Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 11:39
General
- Target 2026-09-30_4cb2de31a496dadadc415e17c5fbbc8b_elex_glassworm_remcos_stop.exe
- Size 4.3MB
- Sample260930-nsa67a11az
- SHA256 e450d76027f8d7363819239bed4f8550fcf096c486f5e48696f01aeadd6ede2c
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-30_4cb2de31a496dadadc415e17c5fbbc8b_elex_glassworm_remcos_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_4cb2de31a496dadadc415e17c5fbbc8b_elex_glassworm_remcos_stop.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
C:\ProgramData\Drivers\csrss.exe"C:\ProgramData\Drivers\csrss.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
csrss.exe
memory/3120-5-0x0000000000400000-0x000000000084A000-memory.dmp
memory/3120-6-0x0000000000400000-0x000000000084A000-memory.dmp
memory/3372-0-0x0000000000400000-0x000000000084A000-memory.dmp
memory/3372-7-0x0000000000400000-0x000000000084A000-memory.dmp
memory/3372-8-0x0000000000400000-0x000000000084A000-memory.dmp