Analysis
- max time kernel
90s - max time network
97s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
- submitted
14/08/2024, 03:46
General
- Target CCUpdate.exe
- Size 809KB
- Sample240814-eb3qfawdnd
- SHA256 e531742a357907248de84b99f68ed7e8edd70e7ca918d21b24cc17ee4c128240
Score
6/10
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.
- Drops file in Windows directory 1 IoCs
- Loads dropped DLL 1 IoCs
- 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 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CCUpdate.exe"C:\Users\Admin\AppData\Local\Temp\CCUpdate.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\CCUpdate.exeCCUpdate.exe /emupdater /applydll "C:\Users\Admin\AppData\Local\Temp\6df8ed85-352a-4878-9ad5-f1b90f07dbce.dll"2⤵
- Writes to the Master Boot Record (MBR)
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
2c8b8380-ec44-4269-8d73-57c874b145a0.ini
6df8ed85-352a-4878-9ad5-f1b90f07dbce.dll