Analysis
- max time kernel
134s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
29/09/2024, 13:14
General
- Target CCleaner1/CCUpdate.exe
- Size 697KB
- Sample240929-qgpasaygmd
- SHA256 4ad9635351c8e8579c4d4c2bdd679ea7b135ec329adc6fd5d8211255e2e666be
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\CCleaner1\CCUpdate.exe"C:\Users\Admin\AppData\Local\Temp\CCleaner1\CCUpdate.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\CCleaner1\CCUpdate.exeCCUpdate.exe /emupdater /applydll "C:\Users\Admin\AppData\Local\Temp\5f7d8853-d5bc-45b5-834b-caafa69bc155.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
5f7d8853-d5bc-45b5-834b-caafa69bc155.dll
aaac961d-16cb-42a0-bfe5-91d0c18e0f93.ini