Analysis
- max time kernel
148s - max time network
139s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/10/2026, 14:34
General
- Target d983095969ebed4c0dbebf5c1644dddf7941bd03337031c6558bab6290485673.exe
- Size 600KB
- Sample261009-rxft1sbe24
- SHA256 d983095969ebed4c0dbebf5c1644dddf7941bd03337031c6558bab6290485673
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Direct Volume Access: Opens a physical disk for reading 1 TTPs 11 IoCs
Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.
- 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 19 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\d983095969ebed4c0dbebf5c1644dddf7941bd03337031c6558bab6290485673.exe"C:\Users\Admin\AppData\Local\Temp\d983095969ebed4c0dbebf5c1644dddf7941bd03337031c6558bab6290485673.exe"1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Direct Volume Access: Opens a physical disk for reading
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
C:\Users\Admin\AppData\Local\Temp\Winiodrv\IoDrv.sysC:\Users\Admin\AppData\Local\Temp\Winiodrv\IoDrv.sys1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
IoDrv.sys
memory/3084-2-0x0000000000010000-0x0000000000017000-memory.dmp