Analysis
- max time kernel
18s - max time network
30s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
04/09/2024, 00:23
Errors
General
- Target Client-built.exe
- Size 3.1MB
- Sample240904-apy7ys1cqj
- SHA256 653296e4b1110de7cc56d24f79a9782b39645669347058cf9349956c01ec1b58
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
147.185.221.22:34344
-
64e25f4b-3ded-4cd9-84c9-af460903ec7f
-
encryption_key
7E5AC03E4AED67063F3FADC39DF8599FF4500C48
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3224-0-0x00007FFF79C83000-0x00007FFF79C85000-memory.dmp
memory/3224-1-0x0000000000A70000-0x0000000000D94000-memory.dmp
memory/3224-2-0x00007FFF79C80000-0x00007FFF7A741000-memory.dmp
memory/3224-3-0x000000001C490000-0x000000001C4E0000-memory.dmp
memory/3224-4-0x000000001C5A0000-0x000000001C652000-memory.dmp
memory/3224-7-0x000000001C4E0000-0x000000001C4F2000-memory.dmp
memory/3224-8-0x000000001C540000-0x000000001C57C000-memory.dmp
memory/3224-9-0x00007FFF79C83000-0x00007FFF79C85000-memory.dmp
memory/3224-10-0x00007FFF79C80000-0x00007FFF7A741000-memory.dmp