Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
26/06/2026, 15:01
General
- Target c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe
- Size 513KB
- Sample260626-sdx5mact3w
- SHA256 c75d8323a4288498f44893d1549ecc98be5b4dc3e89875189fe45f2eee0de36a
Score
10/10
Malware Config
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication 5 IoCs
Network activity triggered a Suricata alert
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 6 IoCs
Network activity triggered a Suricata alert
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- 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 use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe"C:\Users\Admin\AppData\Local\Temp\c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Config\smsmng.exe"C:\Users\Admin\AppData\Roaming\Config\smsmng.exe"2⤵
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
smsmng.exe