Analysis
- max time kernel
150s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
- submitted
14/08/2024, 03:46
General
- Target CCleaner64.exe
- Size 42.9MB
- Sample240814-eb3qfawdnd
- SHA256 c02731acaa708f929e4935da2338cda307afb4729c962722708e5a4e3b8aeb33
Malware Config
Signatures
- 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.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 18 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 2 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\CCleaner64.exe"C:\Users\Admin\AppData\Local\Temp\CCleaner64.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/420-0-0x00007FFE06B30000-0x00007FFE06B31000-memory.dmp
memory/420-1-0x00007FFE06B40000-0x00007FFE06B41000-memory.dmp
memory/420-2-0x00007FFE06B50000-0x00007FFE06B51000-memory.dmp
memory/420-3-0x00007FFE06B60000-0x00007FFE06B61000-memory.dmp
memory/420-4-0x00007FFE06B70000-0x00007FFE06B71000-memory.dmp
memory/420-5-0x00007FFE06BD0000-0x00007FFE06BD1000-memory.dmp
memory/420-6-0x00007FFE06B80000-0x00007FFE06B81000-memory.dmp
memory/420-7-0x00007FFE05710000-0x00007FFE05711000-memory.dmp