Analysis
- max time kernel
136s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
20/08/2024, 14:02
General
- Target nvidia.dll
- Size 701KB
- Sample240820-rcbdsszapk
- SHA256 1db686635bcdde30163e1e624c4d8f107fd2a20507690151c69cc6a0c482207a
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of WriteProcessMemory 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:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\nvidia.dll,#11⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_2bc585e8.dll", #12⤵
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Update_2bc585e8.dll
memory/1116-6-0x00000277C68B0000-0x00000277C68C6000-memory.dmp
memory/2908-0-0x00000231BCF60000-0x00000231BCF76000-memory.dmp
memory/2908-2-0x0000000180000000-0x00000001800BA000-memory.dmp
memory/2908-4-0x00000231BCF60000-0x00000231BCF76000-memory.dmp