Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 02:34
General
- Target 48100ddb70b147760604c7fa766252d7b3f97fdb96b3a6b7fb1fd1074ee47edd.exe
- Size 230KB
- Sample260930-c2hrvaws8r
- SHA256 48100ddb70b147760604c7fa766252d7b3f97fdb96b3a6b7fb1fd1074ee47edd
Malware Config
Signatures
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\48100ddb70b147760604c7fa766252d7b3f97fdb96b3a6b7fb1fd1074ee47edd.exe"C:\Users\Admin\AppData\Local\Temp\48100ddb70b147760604c7fa766252d7b3f97fdb96b3a6b7fb1fd1074ee47edd.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
C:\Users\Admin\AppData\Roaming\fastwebsvr.exeC:\Users\Admin\AppData\Roaming\fastwebsvr.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
fastwebsvr.exe
memory/2092-11-0x00007FFC15BA0000-0x00007FFC16544000-memory.dmp
memory/2092-12-0x00007FFC15BA0000-0x00007FFC16544000-memory.dmp
memory/2092-13-0x00007FFC15BA0000-0x00007FFC16544000-memory.dmp
memory/4448-0-0x00007FFC15D2F000-0x00007FFC15D30000-memory.dmp
memory/4448-1-0x00000000006F0000-0x0000000000730000-memory.dmp
memory/4448-2-0x00007FFC15BA0000-0x00007FFC16544000-memory.dmp
memory/4448-3-0x00007FFC15BA0000-0x00007FFC16544000-memory.dmp
memory/4448-8-0x00007FFC15BA0000-0x00007FFC16544000-memory.dmp
memory/4448-14-0x00007FFC15BA0000-0x00007FFC16544000-memory.dmp