Analysis
-
max time kernel
150s -
max time network
99s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
-
submitted
21-11-2024 15:12
General
-
Target
WinLocker.exe
-
Size
2.5MB
-
MD5
8db22c05021308aa1f21e00b7c754510
-
SHA1
df1a966bcee343fcc47466a7987d439d3e7fbc6d
-
SHA256
4f3dc347f531ef6a408c5f432952a458a0ba635644647e9a8de1982f5428dce2
-
SHA512
53e3c137710ebcdfff7c8caf75235fdcf230dc980829978c31226b4a3e356b8717d9e94e5aa6e70855d89e734de9db892dee759f7201bda2c81a172e69bf6c9c
-
SSDEEP
49152:7zf6V1jqp9ekTD4SxfHLqY+xKkmyLW5RhM0glT:7zyV0pJfOtIFIlT
Malware Config
Signatures
-
UAC bypass 3 TTPs 1 IoCs
-
Event Triggered Execution: Image File Execution Options Injection 1 TTPs 4 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Checks whether UAC is enabled 1 TTPs 1 IoCs
-
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.
-
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 64 IoCs
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of SetWindowsHookEx 2 IoCs
-
System policy modification 1 TTPs 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\WinLocker.exe"C:\Users\Admin\AppData\Local\Temp\WinLocker.exe"1⤵
- UAC bypass
- Event Triggered Execution: Image File Execution Options Injection
- Adds Run key to start application
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
-
C:\Users\Admin\AppData\Local\Temp\WinLocker.exeC:\Users\Admin\AppData\Local\Temp\WinLocker.exe explorer.exe1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Image File Execution Options Injection
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Image File Execution Options Injection
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.8MB
-
Filesize
4KB
-
Filesize
2.8MB
-
Filesize
4KB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
4KB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB
-
Filesize
2.8MB